CN1841848A - Dual-band dual-polarized antenna - Google Patents
Dual-band dual-polarized antenna Download PDFInfo
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- CN1841848A CN1841848A CN 200610055110 CN200610055110A CN1841848A CN 1841848 A CN1841848 A CN 1841848A CN 200610055110 CN200610055110 CN 200610055110 CN 200610055110 A CN200610055110 A CN 200610055110A CN 1841848 A CN1841848 A CN 1841848A
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- dribbleware
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- radiation appliance
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Abstract
The invention discloses a double frequency double polar antenna. Part of it is used in higher frequency range compensate radiation device which is positioned on the lower frequency range compensate radiation device; the power feed compensate radiation device of the frequency range compensate radiation device is positioned on the upper of the reflector; the lower frequency range compensate radiation device uses the reflector as base plate; the cover compensate unit of the lower frequency range compensate radiation is used as the base plate of the higher frequency range compensate radiation, which forms the antenna unit.
Description
Technical field
The present invention relates to a kind of dual-band dual-polarized antenna structure.
Background technology
Existing dual polarized antenna generally is to be operated in single frequency band or adjacent two frequency ranges, following communication system, needs are a kind of can be in lower frequency range work, also can be in higher frequency range work, even the antenna of two frequency ranges of height that span is very big in the middle of being operated in simultaneously, present dual-band dual-polarized antenna adopts the structure of high frequency low frequency oscillator spaced apart, and occupation space is bigger, and transportation, use are all inconvenient.But have or adopt stacked method structure loaded down with trivial details, complex process realize difficulty, and isolation also will reach certain requirement between the polarization port of this antenna different frequency range.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide a kind of simple and compact for structure, a kind of dual-band dual-polarized antenna of service-strong.
The technical solution adopted in the present invention is:
A kind of dual-band dual-polarized antenna comprises a reflector,
At least two dribbleware radiation appliances are set on reflector, promptly are used for the dribbleware radiation appliance and the dribbleware radiation appliance that is used for lower frequency range of lower frequency ranges,
The dribbleware radiation appliance that is used for lower frequency ranges comprises at least one active feed dribbleware and the covering dribbleware that is arranged on this feed dribbleware top, the dribbleware radiation appliance that is used for lower frequency range comprises at least one active feed dribbleware and the covering dribbleware that is arranged on feed dribbleware top equally
The dribbleware radiation appliance that part is used for lower frequency range is stacked on the dribbleware radiation appliance that is used for lower frequency ranges, the active feed dribbleware that promptly is used for the dribbleware radiation appliance of lower frequency ranges is arranged on the top of reflector, this dribbleware radiation appliance that is used for lower frequency ranges with reflector as substrate, the covering dribbleware that is used for the dribbleware radiation appliance of lower frequency ranges is configured for the substrate of the dribbleware radiation appliance of lower frequency range simultaneously
It is characterized in that: the structure that is stacked and placed on the dribbleware radiation appliance that is used for lower frequency ranges at the dribbleware radiation appliance that is used for lower frequency range, the covering dribbleware that is used for the dribbleware radiation appliance of lower frequency ranges adopts the double-sided copper-clad plate structure, the intermediate layer is a dielectric, the two sides of this dielectric is covered with copper layer, the copper layer in its bottom surface conducts with active feed dribbleware and reflector and constitutes ground connection, well is connected between the copper layer in bottom surface and the copper layer of end face and makes it equally well formation ground connection of the copper layer of end face, the copper layer of end face conducts formation ground connection with the active feed dribbleware and the covering dribbleware of the dribbleware radiation appliance that is used for lower frequency range, there are two feeder cables to pass the active feed dribbleware that its inner wire behind the reflector substrate is connected the dribbleware radiation appliance that is used for lower frequency ranges, there is the two other feeder cable to pass the reflector substrate in succession, be used for being connected to behind the active feed dribbleware of dribbleware radiation appliance of lower frequency ranges the covering dribbleware of the dribbleware radiation appliance that is used for lower frequency ranges, the inner wire of these two feeder cables is connected to the active feed dribbleware of the dribbleware radiation appliance that is used for lower frequency range respectively by transmission line.
The invention has the beneficial effects as follows: owing in array antenna, there is the dribbleware radiation appliance that is used for lower frequency range of part to be directly installed on the dribbleware radiation appliance that is used for lower frequency ranges, constitute antenna element jointly, simple and compact for structure, easy to use.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a bay structural representation of the present invention;
Fig. 2 is the stereogram of the structure of the stacked antenna element of high frequency of the present invention and low frequency part;
Fig. 3 is the structural representation of the stacked antenna element of high frequency of the present invention and low frequency part;
Fig. 4 is the vertical view of active covering dribbleware that is used for the dribbleware radiation appliance of lower frequency ranges;
Fig. 5 is the I portion enlarged drawing of Fig. 3;
Fig. 6 is the feed structure schematic diagram of bay structure of the present invention.
Embodiment
With reference to Fig. 1～Fig. 5, a kind of dual-band dual-polarized antenna, comprise a reflector 10, at least two dribbleware radiation appliances are set on reflector 10, promptly be used for the dribbleware radiation appliance of lower frequency ranges and be used for the dribbleware radiation appliance of lower frequency range, the frequency that is operated in the dribbleware radiation appliance of HFS can be the integral multiple of frequency of low frequency part dribbleware radiation appliance or non-integral multiple.
The dribbleware radiation appliance that is used for lower frequency ranges comprises at least one active feed dribbleware 20 and the covering dribbleware 30 that is arranged on feed dribbleware 20 tops, and the dribbleware radiation appliance that is used for lower frequency range comprises at least one active feed dribbleware 40 and the covering dribbleware 50 that is arranged on feed dribbleware 40 tops.
The dribbleware radiation appliance that part is used for lower frequency range is stacked on the dribbleware radiation appliance that is used for lower frequency ranges, the active feed dribbleware that promptly is used for the dribbleware radiation appliance of lower frequency ranges is arranged on the top of reflector 10, this dribbleware radiation appliance that is used for lower frequency ranges with reflector as substrate, the covering dribbleware 30 that is used for the dribbleware radiation appliance of lower frequency ranges is configured for the substrate of the dribbleware radiation appliance of lower frequency range simultaneously
Be stacked and placed on the structure of the dribbleware radiation appliance that is used for lower frequency ranges at the dribbleware radiation appliance that is used for lower frequency range, the active covering dribbleware 30 that is used for the dribbleware radiation appliance of lower frequency ranges adopts the double-sided copper-clad plate structure, the intermediate layer is a dielectric 32, the two sides of this dielectric is covered with copper layer 31,33, the copper layer 31 in its bottom surface conducts with active feed dribbleware 20 and reflector 10 and constitutes ground connection, well is connected between the copper layer in bottom surface 31 and the copper layer 33 of end face and makes it equally well formation ground connection of the copper layer 33 of end face, the copper layer 33 of end face conducts formation ground connection with the active feed dribbleware 40 and the covering dribbleware 50 of the dribbleware radiation appliance that is used for lower frequency range, two feeder cables 60 are arranged, the 62 active feed dribblewares 20 that pass behind reflector 10 substrates the dribbleware radiation appliance that is used for lower frequency ranges carry out feed, other two feeder cables 130 are arranged, 132 pass reflector 10 substrates in succession, be used for being connected to behind the active feed dribbleware 20 of dribbleware radiation appliance of lower frequency ranges the covering dribbleware 30 of the dribbleware radiation appliance that is used for lower frequency ranges, these two feeder cables 130,132 inner wire is connected to the active feed dribbleware 40 of the dribbleware radiation appliance that is used for lower frequency range respectively by transmission line, active feed dribbleware 40 is carried out feed.
Wherein, with reference to Fig. 3, Fig. 4, the inner wire that describedly pass reflector 10 substrates in succession, is used for being connected to behind the active feed dribbleware 20 of dribbleware radiation appliance of lower frequency ranges the feeder cable 130,132 on the covering dribbleware 30 of the dribbleware radiation appliance that is used for lower frequency ranges connects the end of transmission line 134,112 of active covering dribbleware 30 upper surfaces of the dribbleware radiation appliance that is used for lower frequency ranges, and the other end of described transmission line 134,112 connects on one side the two other transmission line 72,70 that the active feed dribbleware 40 with HFS electrically contacts.Wherein, transmission line 134,112 can be waveguide, also can be little band or other forms, and transmission line 72,70 can be a coaxial cable.
As preferred implementation, be used for the dribbleware radiation appliance of lower frequency ranges and be used for lower frequency range the dribbleware radiation appliance active feed dribbleware 20,40 and hide dribbleware 30,50 be shaped as square or regular shapes such as rectangle or circle.The distributing point that is used for the dribbleware radiation appliance of lower frequency ranges and the dribbleware radiation appliance that is used for lower frequency range is located on the diagonal of dribbleware of regular shape or with vertical line+line about 45 degree or-45 degree.Certainly, these feed dribblewares can also be some irregular shapes with the shape that hides dribbleware.
In order to fix each dribbleware, be provided with by support or spacing fixture nonconducting and/or that dielectric substance constitutes, the plastics pillar 100,110 as shown in Fig. 2～Fig. 4.And for making each dribbleware constitute ground connection better, fixedly electrically contacting between each dribbleware has metal column 80,90, can also be at feeder cable 60,62, and transmission line 70,72 is provided with feed assembly, as feeder pillar etc.
Also have, for two different frequency ranges of height, can insert short-circuit line and open-circuit line by the appropriate location at high frequency feeding network and low frequency feeding network, the realization frequency band is isolated.
And with reference to Fig. 6, be the stacked antenna element of high frequency of the present invention and low frequency part and the feed structure schematic diagram of HFS antenna element, in conjunction with Fig. 1, this antenna element is the air microstrip structure, each antenna element feed position is chosen on the diagonal of dribbleware radiation appliance, with reference to figure 6, the antenna feeding network relevant with the antenna first port A comprises the first distributing point k2 on first antenna element, the first distributing point k3 on second antenna element, the first signal allocation node k1, the transmission line A1 that connects the first port A and the first signal allocation node k1, and be connected respectively to from signal allocation node k1 on first distributing point of first and second antenna elements, thereby respectively to the first feeder line A2 and the second feeder line A3 of their feeds.Wherein, what first distributing point k2 of first antenna element and the first distributing point k3 of second antenna element exported is in-phase signal, and the equal in length of the first feeder line A2 and the second feeder line A3.The in-phase signal of distributing point k2 and distributing point k3 output becomes the homophase superposition after arriving the first distribution node k1 through isometric feeder line A2 feeder line A3 like this.
The feeding network relevant with the antenna second port B comprises the transmission line B1 of the second distributing point k5, the second distributing point k6 on second antenna element, secondary signal distribution node k4, the connection second port B and secondary signal distribution node k4 on first antenna element, and be connected respectively to from secondary signal distribution node k4 on second distributing point of first and second antenna elements, thereby respectively to the 3rd feeder line B2 and the 4th feeder line B3 of their feeds.Wherein, what second distributing point k5 of first antenna element and the second distributing point k6 of second antenna element exported is inversion signal, and the second feeder line B3 is than long 1/2 wavelength (described wavelength is the center of antenna operation wavelength) of length of the first feeder line B2, here, the length of transmission line B1 and feeder line B2 is decided according to the actual needed length of antenna.Like this, the inversion signal of distributing point k5 and distributing point k6 output becomes the homophase superposition through feeder line B2, the feeder line B3 transmission back arrival secondary signal distribution node k4 that differs 1/2 wavelength.
Though most of signal that distributing point k2 and distributing point k3 come out comes out along the first feeder line A2 and the second feeder line A3, but still have the fraction in-phase signal to be coupled to distributing point k5 and distributing point k6, arrive secondary signal distribution node k4 disturbs the signal that distributing point k5 and distributing point k6 come out along feeder line B2 and feeder line B3 transmission back, and the length of feeder line B2 and feeder line B3 differs 1/2 wavelength, so the in-phase signal that distributing point k2 and distributing point k3 come out process feeder line B2 and feeder line B3 are transported to secondary signal distribution node k4 and become anti-phase superposition, offset fully, reduce interference, thereby improved the isolation between first port and second terminal port antennae.Equally, though most of signal that distributing point k5 and distributing point k6 come out comes out along feeder line B2 and feeder line B3, but still have the fraction inversion signal to be radiated distributing point k2 and distributing point k3, arrive the first signal allocation node k1 disturbs the signal that the first distributing point k2 and distributing point k3 come out along feeder line A2 and feeder line A3 transmission back, and the equal in length of feeder line A2 and feeder line A3, so the inversion signal that distributing point k5 and distributing point k6 come out process feeder line A2 and feeder line A3 are transported to the first signal allocation node k1 and become anti-phase superposition, offset fully, reduce interference, thereby also improved the isolation between first port and second terminal port antennae.
Certainly, the present invention as long as it reaches the technique effect of the invention with essentially identical means, should belong to protection scope of the present invention except above-mentioned execution mode.
Claims (6)
1, a kind of dual-band dual-polarized antenna comprises a reflector,
At least two dribbleware radiation appliances are set on reflector, promptly are used for the dribbleware radiation appliance and the dribbleware radiation appliance that is used for lower frequency range of lower frequency ranges,
The dribbleware radiation appliance that is used for lower frequency ranges comprises at least one active feed dribbleware and the covering dribbleware that is arranged on this feed dribbleware top, the dribbleware radiation appliance that is used for lower frequency range comprises at least one active feed dribbleware and the covering dribbleware that is arranged on feed dribbleware top equally
The dribbleware radiation appliance that part is used for lower frequency range is stacked on the dribbleware radiation appliance that is used for lower frequency ranges, the active feed dribbleware that promptly is used for the dribbleware radiation appliance of lower frequency ranges is arranged on the top of reflector, this dribbleware radiation appliance that is used for lower frequency ranges with reflector as substrate, the covering dribbleware that is used for the dribbleware radiation appliance of lower frequency ranges is configured for the substrate of the dribbleware radiation appliance of lower frequency range simultaneously
It is characterized in that: the structure that is stacked and placed on the dribbleware radiation appliance that is used for lower frequency ranges at the dribbleware radiation appliance that is used for lower frequency range, the covering dribbleware that is used for the dribbleware radiation appliance of lower frequency ranges adopts the double-sided copper-clad plate structure, the intermediate layer is a dielectric, the two sides of this dielectric is covered with copper layer, the copper layer in its bottom surface conducts with active feed dribbleware and reflector and constitutes ground connection, good electrical is connected and makes it copper layer of end face good earth equally between the copper layer in bottom surface and the copper layer of end face, the copper layer of end face conducts formation ground connection with the active feed dribbleware and the covering dribbleware of the dribbleware radiation appliance that is used for lower frequency range, the active feed dribbleware that has two feeder cables to pass behind the reflector substrate the dribbleware radiation appliance that is used for lower frequency ranges carries out feed, there is the two other feeder cable to pass the reflector substrate in succession, the active feed dribbleware that is used for the dribbleware radiation appliance of lower frequency ranges, be connected to the covering dribbleware of the dribbleware radiation appliance that is used for lower frequency ranges, the inner wire of these two feeder cables is connected to the active feed dribbleware of the dribbleware radiation appliance that is used for lower frequency range respectively by transmission line, the active feed dribbleware of the dribbleware radiation appliance that is used for lower frequency range is carried out feed.
2, a kind of dual-band dual-polarized antenna according to claim 1, it is characterized in that: after describedly passing the reflector substrate in succession, being used for the active feed dribbleware of dribbleware radiation appliance of lower frequency ranges, the inner wire that is connected to the feeder cable on the covering dribbleware of the dribbleware radiation appliance that is used for lower frequency ranges connects the covering dribbleware end face of the dribbleware radiation appliance that is used for lower frequency ranges or/and an end of the transmission line of bottom surface, and the other end of this transmission line connects another transmission line that the active feed dribbleware with HFS electrically contacts on one side.
3, a kind of dual-band dual-polarized antenna according to claim 1 is characterized in that: be used for the dribbleware radiation appliance of lower frequency ranges and be used for lower frequency range the dribbleware radiation appliance the feed dribbleware and hide the square or rectangle of being shaped as of dribbleware or be circular regular shape.
4, a kind of dual-band dual-polarized antenna according to claim 3 is characterized in that: the distributing point that is used for the dribbleware radiation appliance of lower frequency ranges and the dribbleware radiation appliance that is used for lower frequency range is located on the diagonal of dribbleware of regular shape or with vertical line+and line about 45 degree or-45 degree.
5, a kind of dual-band dual-polarized antenna according to claim 1 is characterized in that: in order to fix each dribbleware, be provided with the support or the spacing fixture that are made of electrically non-conductive material.
6, a kind of dual-band dual-polarized antenna according to claim 1 is characterized in that: be fixedly connected with the metal column that conducts between described feed dribbleware and the covering dribbleware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100551103A CN1841848B (en) | 2005-11-14 | 2006-02-20 | Dual-band dual-polarized antenna |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520067664.6 | 2005-11-14 | ||
| CN200520067664 | 2005-11-14 | ||
| CN2006100551103A CN1841848B (en) | 2005-11-14 | 2006-02-20 | Dual-band dual-polarized antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1841848A true CN1841848A (en) | 2006-10-04 |
| CN1841848B CN1841848B (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100551103A Active CN1841848B (en) | 2005-11-14 | 2006-02-20 | Dual-band dual-polarized antenna |
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| Country | Link |
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| CN (1) | CN1841848B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098304A (en) * | 2011-09-07 | 2013-05-08 | 华为技术有限公司 | Dual-frequency dual-polarized antenna |
| CN103474766A (en) * | 2013-09-23 | 2013-12-25 | 深圳市华信天线技术有限公司 | Antenna device and receiving system |
| CN103996356A (en) * | 2011-05-25 | 2014-08-20 | 瑞轩科技股份有限公司 | Display device with directional antenna |
| CN109786934A (en) * | 2018-12-29 | 2019-05-21 | 瑞声科技（南京）有限公司 | Encapsulating antenna system and mobile terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6147647A (en) * | 1998-09-09 | 2000-11-14 | Qualcomm Incorporated | Circularly polarized dielectric resonator antenna |
| JP2005191781A (en) * | 2003-12-25 | 2005-07-14 | Japan Radio Co Ltd | Two-frequency common patch antenna |
| CN2896563Y (en) * | 2005-11-14 | 2007-05-02 | 中山市通宇通讯设备有限公司 | Double-frequency double polarization antenna |
-
2006
- 2006-02-20 CN CN2006100551103A patent/CN1841848B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996356A (en) * | 2011-05-25 | 2014-08-20 | 瑞轩科技股份有限公司 | Display device with directional antenna |
| CN103098304A (en) * | 2011-09-07 | 2013-05-08 | 华为技术有限公司 | Dual-frequency dual-polarized antenna |
| CN103098304B (en) * | 2011-09-07 | 2016-03-02 | 华为技术有限公司 | Dual-band dual-polarized antenna |
| CN103474766A (en) * | 2013-09-23 | 2013-12-25 | 深圳市华信天线技术有限公司 | Antenna device and receiving system |
| CN103474766B (en) * | 2013-09-23 | 2015-11-25 | 深圳市华信天线技术有限公司 | A kind of antenna assembly and receiving system |
| CN109786934A (en) * | 2018-12-29 | 2019-05-21 | 瑞声科技（南京）有限公司 | Encapsulating antenna system and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1841848B (en) | 2011-07-27 |
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