CN203850436U - Dual-polarization wideband array antenna - Google Patents
Dual-polarization wideband array antenna Download PDFInfo
- Publication number
- CN203850436U CN203850436U CN201420194872.1U CN201420194872U CN203850436U CN 203850436 U CN203850436 U CN 203850436U CN 201420194872 U CN201420194872 U CN 201420194872U CN 203850436 U CN203850436 U CN 203850436U
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- Prior art keywords
- reflecting plate
- dual polarization
- radiating element
- parasitic patch
- wide frequency
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- 239000002184 metal Substances 0.000 claims abstract description 47
- 230000003071 parasitic effect Effects 0.000 claims abstract description 41
- 230000005855 radiation Effects 0.000 claims abstract description 36
- 230000009977 dual effect Effects 0.000 claims description 26
- 230000010287 polarization Effects 0.000 claims description 26
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 238000003491 array Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005388 cross polarization Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The utility model provides a dual-polarization wideband array antenna comprising a reflection plate, radiation units, an isolation device, metal parasitic sheets and a support piece; many radiation units are arranged in a middle portion of the reflection plate and arranged in a reflection plate extension direction; the metal parasitic sheets are arranged on two side edges of the reflection plate in a suspension opposite manner through the support piece, and are correspondingly arranged on two sides of the radiation units; isolation devices are arranged between the radiation units. The dual-polarization wideband array antenna has an area 10% smaller than that of same type antennas in the prior art, so antenna cross polarization ratio is improved; the dual-polarization wideband array antenna is simple in structure, easy to make, suitable for mass production, has excellent radiation characteristic and wide frequency band, and can realize optimization of antenna electrical performance.
Description
Technical field
The utility model relates to communication field, is specifically related to a kind of dual polarization wideband array antenna.
Background technology
Along with the fast development of mobile communication, the working frequency range of various standards is also in continuous expansion, and the operating frequency of the smart antenna in TD-SCDMA network is 1880-1920MHz, 2010-2025MHz, 2300-2400MHz; The communication frequency of DCS is 1710-1880MHz; The communication frequency of PCS is 1850-1990MHz; The communication frequency of UMTS is 1920-2170MHz; WiMax(Worldwide Interoperability for Microwave Access, i.e. worldwide interoperability for microwave access) part communications band be 2300-2690MHz.Therefore, now proposed to take into account above-mentioned standard, working frequency range is the market demand of the broad-band antenna of 1710-2690MHz, the relative band width of 1710-2690MHz reaches 44.5%, existing dual-polarized antenna vibrator is generally all difficult to meet, and the bandwidth of the antenna array forming thus is also restricted.
Application number is that 200910130124.0 Chinese utility model patent application discloses a kind of antenna for base station and reflecting plate thereof, it adds vertical side plate with control antenna directional diagram by the both sides at reflecting plate, but this structure has increased the side height of antenna, and then increased the volume of antenna.Application number is that 201220339177.0 Chinese utility model patent discloses a kind of antenna for base station reflecting plate, and it adds hook-type side plate with control antenna directional diagram by the both sides at reflecting plate, but this structure has increased the floor space of antenna.
Utility model content
The purpose of this utility model is, for the deficiencies in the prior art, provides a kind of dual polarization wideband array antenna, and has advantages of the good and bandwidth of radiation characteristic, can realize the optimization of antenna electrical performance.
For achieving the above object, the utility model is by the following technical solutions:
A dual polarization wideband array antenna, comprises reflecting plate, radiating element, spacer assembly, metal parasitic patch and strutting piece, and a plurality of assembly of radiating elements are at the middle part of reflecting plate, and arranges along reflecting plate bearing of trend; Metal parasitic patch is by the unsettled reflecting plate both sides of the edge that are relatively arranged on of strutting piece, and the corresponding both sides that are arranged at radiating element; Between radiating element, be equipped with spacer assembly.
Further, described spacer assembly comprises the structure member being arranged on reflecting plate and is arranged at the isolated part on structure member.
Further, described metal parasitic patch is tabular of tabular of rectangle or polygon, and metal parasitic patch be arranged in parallel with respect to reflecting plate or is obliquely installed.
Further, described metal parasitic patch along the length on reflecting plate bearing of trend between 0.15 wavelength to 0.5 wavelength of antenna work centre frequency.
Further, described strutting piece is plastic supporting pieces.
Further, described radiating element is die cast metal radiating element or pcb board dipole radiation unit.
Further, also comprise radome, described radome covers at reflecting plate top, in radiating element, metal parasitic patch and strutting piece are enclosed in.
Further, a plurality of radiating elements are arranged in multiple row radiation cell array at a reflecting plate middle part along reflecting plate bearing of trend, described multiple row radiation cell array be arranged in parallel, and the spacing between two row radiation cell arrays is between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency.
Further, a plurality of radiating elements are arranged in multiple row radiation cell array at polylith reflecting plate middle part along reflecting plate bearing of trend, the middle part of every reflecting plate is only arranged with a row radiation cell array, described multiple row radiation cell array be arranged in parallel, spacing between two row radiation cell arrays, between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency, realizes multiport broad-band antenna.
A kind of dual polarization wideband array antenna that the utility model provides, equipment volume is less more than 10% than existing other similar antenna areas; It is simple in structure, easy to manufacture, is applicable to batch production; Optimize antenna area and volume simultaneously, guarantee that antenna has advantages of that the wave beam degree of convergence is high, radiance is good and bandwidth simultaneously, improve antenna cross-polarization ratio, realize the optimization of antenna electrical performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-;
Fig. 2 is the structural representation of the utility model embodiment bis-;
Fig. 3 is the structural representation of the utility model embodiment tri-;
Fig. 4 is the structural representation of the utility model embodiment tetra-;
Fig. 5 is the structural representation of the utility model embodiment five;
Fig. 6 is that the utility model is implemented one directional diagram and gain schematic diagram;
Fig. 7 is directional diagram and the gain schematic diagram that does not possess the aerial array of spacer assembly in prior art;
Fig. 8 is the echo test figure of the utility model embodiment mono-;
Fig. 9 is the isolation test figure of the utility model embodiment mono-.
Description of reference numerals:
1, reflecting plate 2, strutting piece
3, metal parasitic patch 4, radiating element
5, isolated part 6, structure member
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is elaborated.
Embodiment mono-
Refer to Fig. 1, a kind of dual polarization wideband array antenna that the utility model embodiment mono-provides, comprise reflecting plate 1, radiating element 4, spacer assembly, metal parasitic patch 3 and strutting piece 2, a plurality of radiating elements 4 are arranged on the middle part of reflecting plate 1, and arrange along reflecting plate 1 bearing of trend; Metal parasitic patch 3 is by unsettled reflecting plate 1 both sides of the edge that are relatively arranged on of strutting piece 2, and the corresponding both sides that are arranged at radiating element 4; Between radiating element 4, be equipped with spacer assembly.
Concrete, described spacer assembly comprises the structure member 6 being arranged on reflecting plate 1 and is arranged at the isolated part 5 on structure member 6.
Concrete, in the present embodiment, described radiating element 4 is pcb board dipole radiation unit 4, comprises interconnective radiating principal and balanced feeding device.Described radiating principal comprises four radiation arms, and four radiation arm orthogonal thereto distributions between two, to form the symmetrical radiation combination of two pairs of quadratures, are provided with engraved structure on each radiation arm.Balanced feeding device is fixedly mounted on described metallic reflection plate 1, and described four radiation arms are around being arranged at described balanced feeding device upper end.
Described balanced feeding device is coaxial configuration, comprises peripheral conductors and inner conductor.Peripheral conductors is arranged on described metallic reflection plate 1, comprises four parts, and each part is respectively used to support and be electrically connected to a radiation arm in described radiating element 4; Each part of peripheral conductors is parallel and have certain interval to be separated by each other.Described inner conductor is hollow column structure, is arranged at four centers that part surrounds of peripheral conductors.
Described radiating element 4 also comprises metal feed tab, is arranged at the inside of balanced feeding device.One end of metal feed tab is through described metallic reflection plate 1 being connected with the bottom cable of described metallic reflection plate 1, and the other end of described metal feed tab is connected with radiating element 4, for by electromagnetic coupled to radiating principal feed.
In the present embodiment, reflecting plate 1 is provided with a plurality of radiating elements 4, and the direction of extending along reflecting plate 1 is arranged in radiating element 4 arrays.In the both sides of each radiating element 4, be relatively set with two each and every one metal parasitic patch 3.As preferably, in the present embodiment, described metal parasitic patch 3 is tabular of rectangle, and metal parasitic patch 3 is with respect to the outward-dipping setting of reflecting plate 1, its along the length on reflecting plate 1 bearing of trend between 0.15 wavelength to 0.5 wavelength of antenna work centre frequency.The described strutting piece 2 being supported under metal parasitic patch 3 is plastic supporting pieces 2, separate between a plurality of metal parasitic patch 3, is not electrically connected to.
Be arranged at the metal parasitic patch 3 of reflecting plate 1 both sides of the edge, for improving the radiance of equipment, guarantee that broadband realizes good radiation, impedance operator.The dual polarization wide frequency antenna array with metal parasitic patch 3 not only has desirable radiation scope, has more standby outstanding antijamming capability, makes the performance of equipment very superior.Meanwhile, bimetallic parasitic patch 3 is simple in structure, easy to manufacture, low production cost.It should be noted that, the shape of metal parasitic patch 3 with angle is set, should design according to concrete conditions such as operational environment, device characteristics.In the present embodiment, described metal parasitic patch 3 is tabular of polygon, and its middle part has a protuberance, and it is T-shaped that metal parasitic patch 3 is totally.
The spacer assembly that the utility model increases between radiating element 4, has that improvement equipment is electric, the effect of radiation characteristic, and the radiance of equipment is significantly improved, and antenna pattern obviously improves.
As improvement, the dual polarization wideband array antenna that the present embodiment provides also comprises a radome (not shown), and described radome covers at reflecting plate 1 top, in radiating element 4, metal parasitic patch 3 and strutting piece 2 are enclosed in.Radome has the effect of protection internal radiation unit 4 and metal parasitic patch 3, and being conducive to provides stable operational environment for radiating element 4 and metal parasitic patch 3, further improves the performance of equipment.
Described reflecting plate 1 is a bending plate body, and the both sides downward bending of reflecting plate 1 for reinforcing described metallic reflection plate 1, and is convenient to be connected with radome.
Refer to Fig. 6 to Fig. 7, in figure, analyze and draw, a kind of dual polarization wideband array antenna that the utility model provides, its spacer assembly has played the very big cross polarization specific characteristic of having optimized, and bandwidth and radiance are good, have played in addition the effect that improves isolation.
Refer to Fig. 8 to Fig. 9, as can be seen from Figure, it is high that a kind of dual polarization wideband array antenna that the utility model provides has the wave beam degree of convergence, and the advantage of the good and bandwidth of radiance, is far superior to prior art.The utlity model has the impedance bandwidth that surpasses 45%, intermodulation, isolation electric property are superior, and it is little to have overall dimension, the advantage that cost is low.
Embodiment bis-
Refer to Fig. 2, a kind of dual polarization wideband array antenna providing for the utility model embodiment bis-.With comparing of embodiment mono-, its difference is only the shape of metal parasitic patch 3.In the present embodiment, described metal parasitic patch 3 is tabular of rectangle.Metal parasitic patch 3 be arranged in parallel with respect to reflecting plate 1.The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
Embodiment tri-
Refer to Fig. 3, a kind of dual polarization wideband array antenna providing for the utility model embodiment tri-.With comparing of embodiment mono-, its difference is only the arrangement mode of radiating element 4 and the shape of metal parasitic patch 3 and angle is set.As preferably, in the present embodiment, a plurality of radiating elements 4 are arranged in multiple row radiating element 4 arrays at reflecting plate 1 middle part along reflecting plate 1 bearing of trend, described multiple row radiating element 4 arrays be arranged in parallel, and the spacing between two row radiating element 4 arrays is between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency.Be arranged in radiating element 4 collaborative works of multiple row, form four port dual polarization wideband array antennas.Metal parasitic patch 3 is tabular of rectangle, and metal parasitic patch 3 is obliquely installed with respect to reflecting plate.
The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
Embodiment tetra-
Refer to Fig. 4, a kind of dual polarization wideband array antenna providing for the utility model embodiment tetra-.Compare with embodiment mono-, its difference is only that radiating element in the present embodiment 4 is for die cast metal radiating element 4, and the shape of metal parasitic patch 3 and angle is set.Metal parasitic patch 3 is tabular of rectangle, and metal parasitic patch 3 is obliquely installed with respect to reflecting plate.
It should be noted that, die cast metal radiating element 4 and the device characteristics that pcb board dipole radiation unit 4 possesses separately, specifically should be designed and be selected according to technical parameters such as the operational environment of equipment self, performance requirements.
The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
Embodiment five
Refer to Fig. 5, a kind of dual polarization wideband array antenna providing for the utility model embodiment five.With comparing of embodiment mono-, its difference is only the arrangement mode of radiating element 4.In the present embodiment, a plurality of radiating elements 4 are arranged in multiple row radiating element 4 arrays at polylith reflecting plate 1 middle part along reflecting plate 1 bearing of trend, the middle part of every reflecting plate 1 is only arranged with row radiating element 4 arrays, described multiple row radiating element 4 arrays be arranged in parallel, spacing between two row radiating element 4 arrays, between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency, realizes multiport broad-band antenna.The present embodiment is multiport dual polarization wideband array antenna.
The miscellaneous part of the present embodiment and the annexation all part corresponding with embodiment mono-are identical, and particular content refers to the associated description of embodiment mono-, does not repeat them here.
A kind of dual polarization wideband array antenna that the utility model provides, has the performance being equal to conventional antenna for base station, as beamwidth convergence is good, cross polarization than good, front and back than good etc.; Effectively reduce antenna side height simultaneously, reduced equipment volume.Equipment volume of the present utility model is less more than 10% than existing other same category of device volumes; Between radiating element 4, there is spacer assembly, there is superior electric, radiation characteristic, further improve the radiance of equipment; Be arranged at the metal parasitic patch 3 of reflecting plate 1 both sides of the edge, improved the radiance of equipment, guarantee that broadband realizes good radiation, impedance operator.The utility model is simple in structure, easy to manufacture, is applicable to batch production; And there is the wave beam degree of convergence, and there is radiance characteristic good and bandwidth, can realize the optimization of antenna electrical performance.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. a dual polarization wide frequency antenna, is characterized in that: comprise reflecting plate, radiating element, spacer assembly, metal parasitic patch and strutting piece, a plurality of assembly of radiating elements are at the middle part of reflecting plate, and arrange along reflecting plate bearing of trend; Metal parasitic patch is by the unsettled reflecting plate both sides of the edge that are relatively arranged on of strutting piece, and the corresponding both sides that are arranged at radiating element; Between radiating element, be equipped with spacer assembly.
2. dual polarization wide frequency antenna according to claim 1, is characterized in that: described spacer assembly comprises the structure member being arranged on reflecting plate and is arranged at the isolated part on structure member.
3. dual polarization wide frequency antenna according to claim 1, is characterized in that: described metal parasitic patch is tabular of tabular of rectangle or polygon, and metal parasitic patch be arranged in parallel with respect to reflecting plate or is obliquely installed.
4. dual polarization wide frequency antenna according to claim 3, is characterized in that: described metal parasitic patch along the length on reflecting plate bearing of trend between 0.15 wavelength to 0.5 wavelength of antenna work centre frequency.
5. dual polarization wide frequency antenna according to claim 1, is characterized in that: described strutting piece is plastic supporting pieces.
6. dual polarization wide frequency antenna according to claim 1, is characterized in that: described radiating element is die cast metal radiating element or pcb board dipole radiation unit.
7. dual polarization wide frequency antenna according to claim 1, is characterized in that: also comprise radome, described radome covers at reflecting plate top, in radiating element, metal parasitic patch and strutting piece are enclosed in.
8. dual polarization wide frequency antenna according to claim 1, it is characterized in that: a plurality of radiating elements are arranged in multiple row radiation cell array at a reflecting plate middle part along reflecting plate bearing of trend, described multiple row radiation cell array be arranged in parallel, and the spacing between two row radiation cell arrays is between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency.
9. dual polarization wide frequency antenna according to claim 1, it is characterized in that: a plurality of radiating elements are arranged in multiple row radiation cell array at polylith reflecting plate middle part along reflecting plate bearing of trend, the middle part of every reflecting plate is only arranged with a row radiation cell array, described multiple row radiation cell array be arranged in parallel, spacing between two row radiation cell arrays, between 0.5 wavelength to 1.15 wavelength of antenna work centre frequency, realizes multiport broad-band antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194872.1U CN203850436U (en) | 2014-04-21 | 2014-04-21 | Dual-polarization wideband array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194872.1U CN203850436U (en) | 2014-04-21 | 2014-04-21 | Dual-polarization wideband array antenna |
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| Publication Number | Publication Date |
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| CN203850436U true CN203850436U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420194872.1U Expired - Lifetime CN203850436U (en) | 2014-04-21 | 2014-04-21 | Dual-polarization wideband array antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943970A (en) * | 2014-04-21 | 2014-07-23 | 广州博纬通信科技有限公司 | Dual-polarization broadband array antenna |
| WO2020027058A1 (en) * | 2018-08-02 | 2020-02-06 | 株式会社村田製作所 | Antenna device |
| CN113764902A (en) * | 2021-09-27 | 2021-12-07 | 中信科移动通信技术股份有限公司 | Antenna reflection boundary and antenna |
| US11552398B2 (en) | 2014-11-18 | 2023-01-10 | Commscope Technologies Llc | Cloaked low band elements for multiband radiating arrays |
-
2014
- 2014-04-21 CN CN201420194872.1U patent/CN203850436U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943970A (en) * | 2014-04-21 | 2014-07-23 | 广州博纬通信科技有限公司 | Dual-polarization broadband array antenna |
| US11552398B2 (en) | 2014-11-18 | 2023-01-10 | Commscope Technologies Llc | Cloaked low band elements for multiband radiating arrays |
| US11870160B2 (en) | 2014-11-18 | 2024-01-09 | Commscope Technologies Llc | Cloaked low band elements for multiband radiating arrays |
| WO2020027058A1 (en) * | 2018-08-02 | 2020-02-06 | 株式会社村田製作所 | Antenna device |
| CN112534643A (en) * | 2018-08-02 | 2021-03-19 | 株式会社村田制作所 | Antenna device |
| US11631936B2 (en) | 2018-08-02 | 2023-04-18 | Murata Manufacturing Co., Ltd. | Antenna device |
| US12107345B2 (en) | 2018-08-02 | 2024-10-01 | Murata Manufacturing Co., Ltd. | Antenna device |
| CN113764902A (en) * | 2021-09-27 | 2021-12-07 | 中信科移动通信技术股份有限公司 | Antenna reflection boundary and antenna |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 510000 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinxiulu Bihua No. 3 floor to the third floor of a new wing Patentee after: GUANGDONG BROADRADIO COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 510700 Guangzhou, Huangpu District, Zhongshan Road, East Road, south of the second floor of the second floor, No. 1, No. Patentee before: GUANGZHOU BROADRADIO COMMUNICATION TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
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| CX01 | Expiry of patent term |