CN103972664A - Restrainable-type dual polarized antenna - Google Patents
Restrainable-type dual polarized antenna Download PDFInfo
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- CN103972664A CN103972664A CN201410222927.XA CN201410222927A CN103972664A CN 103972664 A CN103972664 A CN 103972664A CN 201410222927 A CN201410222927 A CN 201410222927A CN 103972664 A CN103972664 A CN 103972664A
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Abstract
A restrainable-type dual polarized antenna comprises a first baffle board, a second baffle board, a lower-layer radiator, an upper-layer radiator, a first filter, a second filter, a first connecting radio frequency cable, a second connecting radio frequency cable, a first output radio frequency cable, a second output radio frequency cable, a first radio frequency connector and a second radio frequency connector and further comprises cable fixing sheets, plastic supporting columns, screws and nuts, wherein the upper-layer radiator, the lower-layer radiator, the first baffle board and the second baffle board are sequentially stacked from top to bottom and are connected and fixed to one another through the screws and the nuts, all the layers are separated from one another through the plastic supporting columns so that the required spacing distance can be kept between every two adjacent layers, the upper-layer radiator is located on the uppermost layer, and the second baffle board is located on the lowermost layer. The restrainable-type dual polarized antenna is high in anti-jamming capability and high in communication reliability and communication stability.
Description
Technical field
The present invention relates to a kind of wireless broadband communication antenna, particularly relate to a kind of dual polarized antenna.
Background technology
At present, in wireless MAN and 3G network, dual polarized antenna is in a large amount of uses, and electromagnetic environment becomes increasingly complex, and inter-system interference is serious, affects communication quality and increases data transmission error rate.Therefore, if the signal outside working band is filtered out, retain signal in working band, will significantly reduce to disturb, elevator system performance, therefore develops a kind of dual polarized antenna with Out-of-band rejection function and seems and be necessary very much.
Summary of the invention
The object of this invention is to provide a kind of inhibition type dual polarized antenna, for solving the problems of the technologies described above.
A kind of inhibition type dual polarized antenna, comprise that the first reflecting plate, the second reflecting plate, lower floor's radiator, upper strata radiator, the first filter, the second filter, first connect radio frequency cable, second connects radio frequency cable, the first output radio frequency cable, the second output radio frequency cable, the first radio frequency connector, the second radio frequency connector, also comprises cable stator, plastic support post and screw-nut;
Upper strata radiator, lower floor's radiator, the first reflecting plate, the second reflecting plate, stack gradually in accordance with the order from top to bottom and be interconnected and fixed by screw-nut, between each layer, by plastic support post, be spaced from each other, make to keep between each layer the spacing distance of requirement, its at the middle and upper levels radiator be positioned at the superiors, the second reflecting plate is positioned at orlop.
The first connection radio frequency cable is connected radio frequency cable one end with second is connected with feeding network the second input with the feeding network first input end of the first reflecting plate respectively, the first connection radio frequency cable is connected radio frequency cable and through the hole on the second reflecting plate, arrives the another side of the second reflecting plate with second, the first connection radio frequency cable is connected the radio frequency cable other end and is connected with the output of the second filter with the first filter respectively with second, the input of the first filter and the second filter is connected with one end of the second output radio frequency cable with the first output radio frequency cable respectively, the first output radio frequency cable is connected with the second radio frequency connector with the first radio frequency connector respectively with the other end of the second output radio frequency cable.Wherein, the first filter and the second filter are fixed on the lower surface of the second reflecting plate with screw-nut, the first connecting place that connects radio frequency cable, the second connection radio frequency cable, the first output radio frequency cable, the second output radio frequency cable and the first filter and the second filter is fixed on the second reflecting plate with cable stator.
The first reflecting plate adopts two-sided microwave-medium copper-clad plate to process, wherein upper surface copper foil etching has " work " type groove, lower surface etching has feeding network, feeding network comprises terminal open circuit microstrip line, feeding network first input end, feeding network the second input, " work " type groove is corresponding one by one with terminal open circuit, and mutually vertical.
The Design of length of " work " type groove is 0.22 λ, and width design is 0.05 λ, wherein the air medium wavelength of frequency centered by λ.
Upper strata radiator is by one side, to cover copper dielectric-slab to process, and upper facet etch has square patch to become equidistant lineal layout; Lower floor's radiator all also covers copper dielectric-slab by one side and processes, and upper facet etch has square patch to become equidistant lineal layout, corresponding one by one with the paster of upper strata radiator.
The upper strata radiator patch length of side is designed to 0.33 λ (the air medium wavelength of frequency centered by λ), lower floor's radiator patch length of side is designed to 0.37 λ, paster spacing is designed to 0.8 λ, and the distance between upper strata radiator patch and lower floor's radiator patch is designed to 0.05 λ.
The beneficial effect of inhibition type dual polarized antenna of the present invention is, can effectively suppress the unexpected clutter of this antenna working band, reduce and disturb, and high to the gain of the radiofrequency signal in this antenna working band, thus make inhibition type dual polarized antenna of the present invention there is high reliability and stability.
Below in conjunction with accompanying drawing, inhibition type dual polarized antenna of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the attached view of inhibition type dual polarized antenna of the present invention;
Fig. 2 is the upward view of inhibition type dual polarized antenna of the present invention;
Fig. 3 is the end view of inhibition type dual polarized antenna of the present invention;
Fig. 4 is that inhibition type dual polarized antenna of the present invention is with the first reflection board structure schematic diagram of feeding network;
Fig. 5 is inhibition type dual polarized antenna of the present invention upper strata radiator structure schematic diagram;
Fig. 6 is inhibition type dual polarized antenna of the present invention lower floor radiator structure schematic diagram.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, inhibition type dual polarized antenna of the present invention comprises that the first reflecting plate 2, the second reflecting plate 1, lower floor's radiator 3, upper strata radiator 4, the first filter 5, the second filter 6, first connect radio frequency cable 7, second connects radio frequency cable 8, the first output radio frequency cable 9, the second output radio frequency cable 10, the first radio frequency connectors 11, the second radio frequency connector 12, also comprise cable stator 13, plastic support post and screw-nut.
As Fig. 3, shown in, inhibition type dual polarized antenna of the present invention adopts two-sided microwave-medium copper-clad plate to process with the first reflecting plate 2 of feeding network, wherein upper surface copper foil etching has " work " type groove 31a～31j, lower surface etching has feeding network 31, feeding network 31 is divided into two groups, have two inputs and ten outputs, ten outputs are terminal open circuit microstrip line 30a～30j, two inputs are respectively feeding network first input end 301, feeding network the second input 302, 31a～31j is corresponding one by one with terminal open circuit microstrip line 30a～30j for " work " type groove, and mutually vertical.The Design of length of " work " type groove 31a～31j is 0.22 λ, and width design is 0.05 λ, the air medium wavelength of frequency centered by λ wherein, and feeding network design data is corresponding with radiator, and data based performance requirement is suitably adjusted.Feeding network 31 encourages " work " type groove 31a～31j on upper strata by its terminal open circuit microstrip line 30a～30j, thereby produces to extraradial electromagnetic wave, and " work " type groove is a kind of form wherein, also can be designed to the forms such as " dumbbell " type groove.
As shown in Fig. 4, Fig. 5, Fig. 6, upper strata radiator 4 is by one side, to cover copper dielectric-slab to process, above etched square patch become equidistant lineal layout; Lower floor's radiator 3 also covers copper dielectric-slab by one side and processes, above etched square patch become equidistant lineal layout, corresponding one by one with the paster of upper strata radiator 4, the radiator 4 paster length of sides in upper strata are designed to 0.33 λ (the air medium wavelength of frequency centered by λ), lower floor's radiator 3 paster length of sides are designed to 0.37 λ, paster spacing is designed to 0.8 λ, and the distance between upper strata radiator 4 pasters and lower floor's radiator 3 pasters is designed to 0.05 λ.
As shown in Figure 4, upper strata radiator 4, lower floor's radiator 3, the first reflecting plate 2, the second reflecting plate 1, stack gradually in accordance with the order from top to bottom and be interconnected and fixed by screw-nut, its one side that radiator 4, lower floor's radiator 3 have a square patch at the middle and upper levels downward, the one side that the first reflecting plate 2 has a feeding network 31 downward, between each layer, by plastic support post, be spaced from each other, make to keep between each layer the spacing distance of requirement, its at the middle and upper levels radiator 4 be positioned at the superiors, the second reflecting plate 1 is positioned at orlop;
The first connection radio frequency cable 7 is connected radio frequency cable 8 one end with second is connected with feeding network the second input 302 with the feeding network first input end 301 of the first reflecting plate 2 respectively, the first connection radio frequency cable 7 is connected radio frequency cable 8 and through the hole on the second reflecting plate 1, arrives the another side of the second reflecting plate 1 with second, the first connection radio frequency cable 7 is connected radio frequency cable 8 other ends and is connected with the output of the second filter 6 with the first filter 5 respectively with second, the input of the first filter 5 and the second filter 6 is connected with one end of the second output radio frequency cable 10 with the first output radio frequency cable 9 respectively, the first output radio frequency cable 9 is connected with the second radio frequency connector 12 with the first radio frequency connector 11 respectively with the other end of the second output radio frequency cable 10.Wherein, the first filter 5 and the second filter 6 use screw-nuts are fixed on the lower surface of the second reflecting plate 1, and the first connecting place that connects radio frequency cable 7, the second connection radio frequency cable 8, the first output radio frequency cable 9, the second output radio frequency cable 10 and the first filter 5 and the second filter 6 is fixed on the second reflecting plate 1 with cable stator 13.The second reflecting plate 1 is rectangle aluminium sheet, can be according to different its sizes of adjusting of beamwidth.
The effect of the first filter 5 and the second filter 6 is the signals that filter out outside working band, only retains the signal within working band, plays the effect of disturbing outside inhibition working band.
Inhibition type dual polarized antenna of the present invention be take 5.5GHz suppressing antenna as example, working band is 5.5GHz-5.9GHz, inhibition is lower than the antenna gain of 5.4GHz, in working band, gain is greater than 13dBi, in the gain at 5.4GHz place, compared with the low 10dBi of the gain of 5.5GHz, played obvious inhibition, simultaneously broad beam, the higher performance that gains, makes it have purposes widely.
One group of gain test value below:
| Frequency | 5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 5.7 | 5.8 | 5.9 |
| Gain | -23 | -15 | -3.2 | 2.9 | 12.7 | 13.0 | 13.1 | 13.0 | 13.2 |
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection range of the claims in the present invention book.
Claims (6)
1. an inhibition type dual polarized antenna, it is characterized in that comprising that the first reflecting plate (2), the second reflecting plate (1), lower floor's radiator (3), upper strata radiator (4), the first filter (5), the second filter (6), first connect radio frequency cable (7), second connects radio frequency cable (8), the first output radio frequency cable (9), the second output radio frequency cable (10), the first radio frequency connector (11), the second radio frequency connector (12), also comprises cable stator (13), plastic support post and screw-nut;
Described upper strata radiator (4), lower floor's radiator (3), the first reflecting plate (2), the second reflecting plate (1), stack gradually in accordance with the order from top to bottom and be interconnected and fixed by screw-nut, between each layer, by plastic support post, be spaced from each other, make to keep between each layer the spacing distance of requirement, its at the middle and upper levels radiator (4) be positioned at the superiors, the second reflecting plate (1) is positioned at orlop.
2. inhibition type dual polarized antenna according to claim 1, it is characterized in that, the first connection radio frequency cable (7) is connected radio frequency cable (8) one end with second is connected with feeding network the second input (302) with the feeding network first input end (301) of the first reflecting plate (2) respectively, the first connection radio frequency cable (7) is connected radio frequency cable (8) and through the hole on the second reflecting plate (1), arrives the another side of the second reflecting plate (1) with second, the first connection radio frequency cable (7) is connected radio frequency cable (8) other end and is connected with the output of the second filter (6) with the first filter (5) respectively with second, the input of the first filter (5) and the second filter (6) is connected with one end of the second output radio frequency cable (10) with the first output radio frequency cable (9) respectively, the first output radio frequency cable (9) is connected with the second radio frequency connector (12) with the first radio frequency connector (11) respectively with the other end of the second output radio frequency cable (10).Wherein, the first filter (5) and the second filter (6) are fixed on the lower surface of the second reflecting plate (1) with screw-nut, the first cable stator for connecting place (13) that connects radio frequency cable (7), the second connection radio frequency cable (8), the first output radio frequency cable (9), the second output radio frequency cable (10) and the first filter (5) and the second filter (6) is fixed on the second reflecting plate (1).
3. inhibition type dual polarized antenna according to claim 2, it is characterized in that, the first reflecting plate (2) adopts two-sided microwave-medium copper-clad plate to process, wherein upper surface copper foil etching has " work " type groove (31a～31j), lower surface etching has feeding network (31), feeding network (31) comprises terminal open circuit microstrip line (30a～30j), feeding network first input end (301), feeding network the second input (302), " work " type groove (31a～31j) is corresponding one by one with terminal open circuit microstrip line (30a～30j), and mutually vertical.
4. inhibition type dual polarized antenna according to claim 3, is characterized in that, the Design of length of " work " type groove (31a～31j) is 0.22 λ, and width design is 0.05 λ, wherein the air medium wavelength of frequency centered by λ.
5. inhibition type dual polarized antenna according to claim 3, is characterized in that, described upper strata radiator (4) is by one side, to cover copper dielectric-slab to process, and upper facet etch has square patch to become equidistant lineal layout; Lower floor's radiator all (3) also covers copper dielectric-slab by one side and processes, and upper facet etch has square patch to become equidistant lineal layout, corresponding one by one with the paster of upper strata radiator (4).
6. inhibition type dual polarized antenna according to claim 5, it is characterized in that, described upper strata radiator (4) the paster length of side is designed to 0.33 λ (the air medium wavelength of frequency centered by λ), lower floor's radiator 3 paster length of sides are designed to 0.37 λ, paster spacing is designed to 0.8 λ, and the distance between upper strata radiator (4) paster and lower floor's radiator (3) paster is designed to 0.05 λ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222927.XA CN103972664B (en) | 2014-05-23 | 2014-05-23 | A kind of suppressive dual polarized antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222927.XA CN103972664B (en) | 2014-05-23 | 2014-05-23 | A kind of suppressive dual polarized antenna |
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| Publication Number | Publication Date |
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| CN103972664A true CN103972664A (en) | 2014-08-06 |
| CN103972664B CN103972664B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410222927.XA Expired - Fee Related CN103972664B (en) | 2014-05-23 | 2014-05-23 | A kind of suppressive dual polarized antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600861A (en) * | 2018-06-13 | 2019-12-20 | 联发科技股份有限公司 | Multi-band dual-polarized antenna structure and wireless communication device thereof |
| WO2020220427A1 (en) * | 2019-04-28 | 2020-11-05 | 深圳迈睿智能科技有限公司 | Microwave detector, method for manufacturing same, and method for suppressing stray electromagnetic radiation |
| CN112262500A (en) * | 2018-04-11 | 2021-01-22 | 高通股份有限公司 | Patch antenna array |
| CN114914666A (en) * | 2021-02-10 | 2022-08-16 | 华为技术有限公司 | Antenna and electronic equipment |
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| CN2783546Y (en) * | 2005-02-01 | 2006-05-24 | 烟台高盈科技有限公司 | 3G 30 degree dual polarized plate shape antenna for base station |
| JP2013026707A (en) * | 2011-07-19 | 2013-02-04 | Denki Kogyo Co Ltd | Polarization diversity array antenna device |
| CN202871963U (en) * | 2012-06-11 | 2013-04-10 | 京信通信系统（中国）有限公司 | Highly-suppressive anti-interference antenna apparatus |
| KR20130060982A (en) * | 2011-11-30 | 2013-06-10 | 박진영 | Triple band dual polarization dipole antenna including balun based on printed circuit board |
| US20140028516A1 (en) * | 2012-07-25 | 2014-01-30 | Kathrein, Inc., Scala Division | Dual-polarized radiating element with enhanced isolation for use in antenna system |
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2014
- 2014-05-23 CN CN201410222927.XA patent/CN103972664B/en not_active Expired - Fee Related
Patent Citations (5)
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|---|---|---|---|---|
| CN2783546Y (en) * | 2005-02-01 | 2006-05-24 | 烟台高盈科技有限公司 | 3G 30 degree dual polarized plate shape antenna for base station |
| JP2013026707A (en) * | 2011-07-19 | 2013-02-04 | Denki Kogyo Co Ltd | Polarization diversity array antenna device |
| KR20130060982A (en) * | 2011-11-30 | 2013-06-10 | 박진영 | Triple band dual polarization dipole antenna including balun based on printed circuit board |
| CN202871963U (en) * | 2012-06-11 | 2013-04-10 | 京信通信系统（中国）有限公司 | Highly-suppressive anti-interference antenna apparatus |
| US20140028516A1 (en) * | 2012-07-25 | 2014-01-30 | Kathrein, Inc., Scala Division | Dual-polarized radiating element with enhanced isolation for use in antenna system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112262500A (en) * | 2018-04-11 | 2021-01-22 | 高通股份有限公司 | Patch antenna array |
| US11652301B2 (en) | 2018-04-11 | 2023-05-16 | Qualcomm Incorporated | Patch antenna array |
| CN112262500B (en) * | 2018-04-11 | 2023-11-10 | 高通股份有限公司 | patch antenna array |
| CN110600861A (en) * | 2018-06-13 | 2019-12-20 | 联发科技股份有限公司 | Multi-band dual-polarized antenna structure and wireless communication device thereof |
| WO2020220427A1 (en) * | 2019-04-28 | 2020-11-05 | 深圳迈睿智能科技有限公司 | Microwave detector, method for manufacturing same, and method for suppressing stray electromagnetic radiation |
| CN114914666A (en) * | 2021-02-10 | 2022-08-16 | 华为技术有限公司 | Antenna and electronic equipment |
| CN114914666B (en) * | 2021-02-10 | 2024-03-26 | 华为技术有限公司 | Antenna and electronic equipment |
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| CN103972664B (en) | 2017-04-05 |
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