CN207038736U - A kind of array antenna - Google Patents
A kind of array antenna Download PDFInfo
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- CN207038736U CN207038736U CN201720792059.8U CN201720792059U CN207038736U CN 207038736 U CN207038736 U CN 207038736U CN 201720792059 U CN201720792059 U CN 201720792059U CN 207038736 U CN207038736 U CN 207038736U
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Abstract
A kind of array antenna is the utility model is related to, including：Metallic reflection plate, divider wall and two low frequency subarrays, described two low frequency subarrays are interlaced to be arranged in metallic reflection plate, center line of the divider wall along metallic reflection plate is set, each low frequency subarray is by first group of low frequency radiating element, second group of low frequency radiating element and the 3rd group of low frequency radiating element composition, first group of low frequency radiating element is arranged on the side of divider wall, second group of low frequency radiating element and the 3rd group of low frequency radiating element are arranged on the opposite side of divider wall, second group of low frequency radiating element be arranged in it is close with the straight line of metallic reflection plate centerline parallel, 3rd group of low frequency radiating element is arranged on the remote another straight line with metallic reflection plate centerline parallel.The array antenna array of the utility model two it is interlaced, not only narrowed horizontal plane beam angle, improve front and rear ratio, and the distance between two array antenna arrays of constriction, realized the miniaturization of antenna.
Description
Technical field
It the utility model is related to the communications field, and in particular to a kind of array antenna.
Background technology
With the large-scale use of the mobile intelligent terminals such as smart mobile phone and tablet personal computer, simultaneous Facebook,
The surprising growth of the MSN user such as WhatsApp, Twitter and wechat, and the wireless traffic such as mobile video are fast
The growth of explosion type is presented in speed development, the data traffic of mobile communication, and user proposes more and more higher to the capacity of communication system
Requirement.On the other hand as the difficulty built a station increases, in order to reduce networking cost, it is desirable to operator can realize that co-sited is co-located,
Therefore the multisystem of antenna for base station, broadband and miniaturization have become one of current focus.
The technological means of lifting system capacity general at present is to use MIMO (Multiple-Input Multiple-
Output, multiple-input and multiple-output) system.The antenna for base station that the system uses needs two aerial arrays to place side by side.It is however, existing
Two row dual-polarized antenna arrays distance set it is too near, the influence between adjacent antenna element is very big, and antenna performance is caused
Very big influence, as gain is low, isolation is poor, directional diagram deformation.If adjacent antenna list in two row dual-polarized antenna arrays
Between member distance set farther out, then cause the volume of whole antenna to increase, its space-consuming it is big.
Thus it is necessary to be directed to problem above, develops a kind of compact-sized ultra wide band array antenna.
Utility model content
In view of this, to solve above-mentioned the problems of the prior art, this hair utility model has supplied a kind of array antenna, antenna
Size is small, and the wave beam registration of the low frequency subarray of left and right two is higher, is more beneficial for realizing that MIMO communicates, lifts communication system
Capacity.
To achieve these goals, the technical solution of the utility model is as follows：
A kind of array antenna, including：Metallic reflection plate, divider wall and two low frequency subarrays, described two low frequency submatrixs
Arrange it is interlaced be arranged in metallic reflection plate, center line of the divider wall along metallic reflection plate is set, each low frequency subarray
It is made up of first group of low frequency radiating element, second group of low frequency radiating element and the 3rd group of low frequency radiating element, first group of low frequency spoke
The side that unit is arranged on divider wall is penetrated, second group of low frequency radiating element and the 3rd group of low frequency radiating element are arranged on divider wall
Opposite side, second group of low frequency radiating element be arranged in close to and with the straight line of metallic reflection plate centerline parallel, the 3rd
Group low frequency radiating element be arranged in away from and with the another straight line of metallic reflection plate centerline parallel, first group of low frequency radiation
The quantity of unit is 1, and the quantity of second group of low frequency radiating element is M, the quantity of the 3rd group of low frequency radiating element be it is N number of,
Wherein, M is the integer more than 1, and N is the integer more than or equal to 1.
Preferably, the M is 2, N 3.
Preferably, second group of low frequency radiation of first group of low frequency radiating element of low frequency subarray and another low frequency subarray
Unit is on same straight line.
Preferably, the M is 4, N 1.
Preferably, each low frequency radiating element includes positive polarization oscillator and negative polarization oscillator, the positive polarization oscillator and negative
The oscillator that polarizes forms dual polarization vibrator.
Preferably, the positive pole turns to+45 degree polarization, and the negative pole turns to -45 degree polarization.
Preferably, the divider wall is to use metal wall made of metal plate.
Preferably, in addition to multiple row high frequency radiating element, each column high frequency radiating element are arranged in and metallic reflection plate center
On the parallel straight line of line, each column high frequency radiating element be parallel to each other and mutually it is misaligned.
Preferably, two row HF arrays in four row high frequency radiating elements are located at second group of low frequency spoke of two low frequency subarrays
The outside of unit place straight line is penetrated, two row HF arrays are located at where the 3rd group of low frequency radiating element of two low frequency subarrays in addition
Between straight line.
Preferably, the low frequency radiating element is operated in 694~960MHz frequency ranges, and the high radiating element is operated in 1695
~2690MHz frequency ranges.
Compared with prior art, the wave beam registration of the low frequency array of the left and right of array antenna of the present utility model two compared with
Height, it is more beneficial for realizing that MIMO communicates, lifts the capacity of communication system.Left and right sub-array antenna it is interlaced, not only narrow
Horizontal plane beam angle, improve front and rear ratio, and the distance between left and right two array antenna of constriction, realizes antenna
Miniaturization.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of array arrangement schematic diagram of array antenna of embodiment one；
Fig. 2 is a kind of array arrangement schematic diagram of array antenna of embodiment two；
Fig. 3 is a kind of array arrangement schematic diagram of array antenna of embodiment three；
Fig. 4 is a kind of array arrangement schematic diagram of array antenna of example IV；
In figure：1- metallic reflection plates, 2- low frequencies subarray, 3- divider walls, 4- high frequency radiating elements, 201,202,203,
204th, 205,206,211,212,213,214,215,216,221,222,223,224,225,226,231,232,233,234,
235th, 236 be all oscillator.
Embodiment
Enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with accompanying drawing and tool
The technical solution of the utility model is described in detail the embodiment of body.It is pointed out that described embodiment is only
It is the utility model part of the embodiment, rather than whole embodiments, it is general based on the embodiment in the utility model, this area
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to the utility model guarantor
The scope of shield.
It is to be appreciated that the directional instruction (such as upper and lower, left and right ...) of institute is only used in the utility model embodiment
Relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc. are explained, if the spy
When determining posture and changing, then directionality instruction also correspondingly changes therewith.In addition, be related in the utility model " the
One ", the description of " second " etc. is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include
At least one this feature.
Embodiment one
As shown in figure 1, a kind of array antenna, including：Metallic reflection plate 1, divider wall 3 and two low frequency subarrays 2, it is described
Two low frequency subarrays 2 are interlaced to be arranged in metallic reflection plate 1, and center line of the divider wall 3 along metallic reflection plate 1 is set
Put, each low frequency subarray is by first group of low frequency radiating element, second group of low frequency radiating element and the 3rd group of low frequency radiating element
Composition, first group of low frequency radiating element are arranged on the side of divider wall 3, second group of low frequency radiating element and the 3rd group of low frequency radiation
Unit is arranged on the opposite side of divider wall 3, and second group of low frequency radiating element is arranged in close to and put down with the center line of metallic reflection plate 1
On capable straight line, the 3rd group of low frequency radiating element is arranged in away from and with another article of the centerline parallel of metallic reflection plate 1
On straight line, the quantity of first group of low frequency radiating element is 1, and the quantity of second group of low frequency radiating element is M, the 3rd group of low frequency
The quantity of radiating element is N number of, wherein, M is the integer more than 1, and N is the integer more than or equal to 1.In the present embodiment, M=
2, N=3.
So that two low frequency subarrays 2 respectively have six ± 45 degree of dual polarization vibrators as an example, left column low frequency subarray includes shaking
Son 201~216, right row low frequency subarray include oscillator 221~236, and two low frequency subarrays 2 are separate, form two phases
Mutually independent low frequency system.Wherein, oscillator 201,202,203,204,205,206 is the positive polarization of left column low frequency subarray；Shake
Son 211,212,213,214,215,216 is the negative polarization of left column low frequency subarray；The positive polarization is preferably+45 ° of polarization；Institute
It is preferably -45 ° of polarization to state negative polarization.First radiating element 201 and 211 of left column low frequency subarray is distributed in the right side of divider wall 3
Side；The second radiating element 202,212 and the 3rd radiating element 203,213 of left column low frequency subarray are located at and metallic reflection plate 1
On the straight line of centerline parallel, the left side of divider wall 3 is distributed in；4th radiating element 204,214, the 5th radiating element
205th, 215 and the 6th radiating element 206,216 be located at on the another straight line of the centerline parallel of metallic reflection plate 1, being distributed in
The left side of divider wall 3.Right row low frequency subarray is similar with the arrangement mode of left column low frequency subarray, right row low frequency subarray and
Left column low frequency subarray is symmetrical as symmetry axis progress using the center line of metallic reflection plate 1.The first of left column low frequency subarray
The second radiating element 222,232 and the 3rd radiating element 223,233 of radiating element 201 and 211 and right row low frequency subarray
In on same straight line, the first radiating element 231 and 221 of right row low frequency subarray and the second radiation of left column low frequency subarray are single
First 212,202 and the 3rd radiating element 213,203 is located along the same line.
Divider wall 3 is to make the metal wall being connected with metallic reflection plate using metal plate, and it adjusts the overall water of array
Collimated beam of sound is offset, while improves the isolation between two arrays.
Fourth, fifth, six radiating elements in left array antenna form wider horizontal plane toward the wave beam of right avertence, second and third
Radiating element and divider wall form wider horizontal plane toward the wave beam of left avertence, and inclined by the level of the first radiating element position
In-migration narrows the horizontal plane beam angle of antenna, and further makes the horizontal plane wave beam of antenna toward right avertence, so that permutation antenna
Form beam position and offset small, the wide moderate general direction figure of ripple.
Left and right aerial array it is interlaced, not only narrowed horizontal plane beam angle, improved front and rear ratio, and contracted
The distance between narrow left and right two array antenna, realize the Miniaturization Design of antenna.
Embodiment two
As shown in Fig. 2 as embodiment one, high frequency radiating element 4 includes mutually orthogonal for low frequency array arrangement in this example
Two oscillators, multiple high frequency radiating elements 4 are arranged on four straight lines with metallic reflection plate centerline parallel, form four row
HF array, respectively the first HF array, the second HF array, the 3rd HF array, the 4th HF array from left to right, often
Row HF array is made up of seven high frequency radiating elements.
Wherein, outside straight line where the first, the 4th HF array is located at second and third radiating element of two row low frequency arrays
Side, second, third HF array are located between the straight line where fourth, fifth, six radiating elements of two row low frequency arrays.Firstth,
4th HF array is distributed in the top half of bottom plate, and second, third HF array is distributed in the latter half of bottom plate, low frequency spoke
It is mutually misaligned to penetrate the orthographic projection of unit and high frequency radiating element in metallic reflection plate.
Each column HF array is subordinated to an independent radio frequency system respectively, in other words, has in the utility model embodiment
There are four separate radio frequency systems, four radio frequency systems can be operated in different frequency range, can also be operated in identical
Frequency range, and 1695~2690MHz frequency ranges are collectively covered, meanwhile, two row low frequency arrays covering 694~960MHz frequency ranges, form two
Individual separate low frequency system；
Therefore, 6 systems are accommodated in the utility model embodiment, that is, constitute 2 low frequency systems and 4 radio frequency systems
The six frequency range array antennas coexisted.
Embodiment three
As shown in figure 3, the array antenna of the present embodiment and embodiment one are essentially identical, difference is, M=4, N=1.Two
Between straight line where first radiating element of low frequency subarray is located at second and third radiating element of two low frequency arrays.
Example IV
As shown in figure 4, as embodiment three, high frequency radiating element includes mutually orthogonal for low frequency array arrangement in this example
Two oscillators, multiple high frequency radiating elements are arranged on four straight lines with metallic reflection plate centerline parallel, and it is high to form four row
Frequency array, from left to right respectively the first HF array, the second HF array, the 3rd HF array, the 4th HF array, each column
HF array is made up of ten high frequency radiating elements.
Wherein, outside straight line where the first, the 4th HF array is located at second and third radiating element of two row low frequency arrays
Side, second, third HF array are located between the straight line where fourth, fifth, six radiating elements of two row low frequency arrays.
Each column HF array is subordinated to an independent radio frequency system respectively, in other words, has in the utility model embodiment
There are four separate high-gain radio frequency systems, four radio frequency systems can be operated in different frequency range, can also work
In similar frequency bands, and 1695~2690MHz frequency ranges are collectively covered, meanwhile, two row low frequency arrays covering 694~960MHz frequency ranges,
Form two separate low frequency systems；Constitute the six frequency range high-gains that 2 low frequency systems and 4 radio frequency systems coexist
Array antenna.
In summary, a kind of wave beam registration of two low frequency arrays of array antenna of the present utility model or so is higher, more
MIMO communications are advantageously implemented, lift the capacity of communication system.Left and right sub-array antenna it is interlaced, not only narrowed water
Collimated beam of sound width, improve front and rear ratio, and the distance between left and right two array antenna of constriction, realizes the small-sized of antenna
Change.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. array antenna, it is characterised in that including：Metallic reflection plate, divider wall and two low frequency subarrays, it is described two Low frequency subarray is interlaced to be arranged in metallic reflection plate, and center line of the divider wall along metallic reflection plate is set, each low Frequency subarray is made up of first group of low frequency radiating element, second group of low frequency radiating element and the 3rd group of low frequency radiating element, and first Group low frequency radiating element is arranged on the side of divider wall, and second group of low frequency radiating element and the 3rd group of low frequency radiating element are arranged on The opposite side of divider wall, second group of low frequency radiating element are arranged in the close straight line with metallic reflection plate centerline parallel On, the 3rd group of low frequency radiating element is arranged on the remote another straight line with metallic reflection plate centerline parallel, and first group is low The quantity of radio-frequency radiation unit is 1, and the quantity of second group of low frequency radiating element is M, the quantity of the 3rd group of low frequency radiating element To be N number of, wherein, M is the integer more than 1, and N is the integer more than or equal to 1.
- 2. array antenna according to claim 1, it is characterised in that：The M is 2, N 3.
- 3. array antenna according to claim 2, it is characterised in that：First group of low frequency radiating element of low frequency subarray with Second group of low frequency radiating element of another low frequency subarray is on same straight line.
- 4. array antenna according to claim 1, it is characterised in that：The M is 4, N 1.
- 5. array antenna according to claim 1, it is characterised in that：Each low frequency radiating element include positive polarization oscillator and Negative polarization oscillator, the positive polarization oscillator and negative polarization oscillator form dual polarization vibrator.
- 6. array antenna according to claim 5, it is characterised in that：The positive pole turns to+45 degree polarization, the negative polarization For -45 degree polarization.
- 7. array antenna according to claim 1, it is characterised in that：The divider wall is to use metal made of metal plate Wall.
- 8. array antenna according to claim 1, it is characterised in that：Also include four row high frequency radiating elements, each column high frequency Radiating element is arranged in and on the straight line of metallic reflection plate centerline parallel, each column high frequency radiating element is parallel to each other and mutually It is misaligned.
- 9. array antenna according to claim 8, it is characterised in that：Two row HF arrays in four row high frequency radiating elements Positioned at two low frequency subarrays second group of low frequency radiating element where straight line outside, in addition two row HF arrays be located at two low frequencies Between straight line where 3rd group of low frequency radiating element of subarray.
- 10. array antenna according to claim 8 or claim 9, it is characterised in that：The low frequency radiating element is operated in 694~ 960MHz frequency ranges, the high frequency radiating element are operated in 1695~2690MHz frequency ranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792059.8U CN207038736U (en) | 2017-07-03 | 2017-07-03 | A kind of array antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792059.8U CN207038736U (en) | 2017-07-03 | 2017-07-03 | A kind of array antenna |
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| CN207038736U true CN207038736U (en) | 2018-02-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359424A (en) * | 2017-07-03 | 2017-11-17 | 广东博纬通信科技有限公司 | A kind of array antenna |
| CN108258422A (en) * | 2018-03-22 | 2018-07-06 | 江苏亨鑫科技有限公司 | A kind of aerial array based on passive decoupling technique |
| CN109149108A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of isolator and mimo antenna |
| CN113629382A (en) * | 2021-07-29 | 2021-11-09 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
| CN113782983A (en) * | 2021-09-13 | 2021-12-10 | 四川九洲电器集团有限责任公司 | Narrow reflecting plate one-dimensional linear array antenna |
-
2017
- 2017-07-03 CN CN201720792059.8U patent/CN207038736U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359424A (en) * | 2017-07-03 | 2017-11-17 | 广东博纬通信科技有限公司 | A kind of array antenna |
| CN107359424B (en) * | 2017-07-03 | 2023-08-01 | 广东博纬通信科技有限公司 | Array antenna |
| CN108258422A (en) * | 2018-03-22 | 2018-07-06 | 江苏亨鑫科技有限公司 | A kind of aerial array based on passive decoupling technique |
| CN108258422B (en) * | 2018-03-22 | 2023-08-04 | 江苏亨鑫科技有限公司 | Antenna array based on passive decoupling technology |
| CN109149108A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of isolator and mimo antenna |
| CN113629382A (en) * | 2021-07-29 | 2021-11-09 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
| CN113782983A (en) * | 2021-09-13 | 2021-12-10 | 四川九洲电器集团有限责任公司 | Narrow reflecting plate one-dimensional linear array antenna |
| CN113782983B (en) * | 2021-09-13 | 2023-02-24 | 四川九洲电器集团有限责任公司 | Narrow reflecting plate one-dimensional linear array antenna |
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