CN207910067U - A kind of arbitrary polarization broad beam paster antenna - Google Patents
- ️Tue Sep 25 2018
CN207910067U - A kind of arbitrary polarization broad beam paster antenna - Google Patents
A kind of arbitrary polarization broad beam paster antenna Download PDFInfo
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Publication number
- CN207910067U CN207910067U CN201721292937.6U CN201721292937U CN207910067U CN 207910067 U CN207910067 U CN 207910067U CN 201721292937 U CN201721292937 U CN 201721292937U CN 207910067 U CN207910067 U CN 207910067U Authority
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- China Prior art keywords
- circuit board
- radiation patch
- length
- medium substrate
- square Prior art date
- 2017-10-09 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000010287 polarization Effects 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 15
- 230000003071 parasitic effect Effects 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Variable-Direction Aerials And Aerial Arrays (AREA)
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Abstract
The utility model discloses a kind of arbitrary polarization broad beam paster antennas, including first circuit board, second circuit board, square metal ring that first circuit board includes, eight parasitic metal lines, second circuit board include square metal floor, radiation patch, four plastics studs.The utility model can be used in satellite communication system, also can be used as the array element of phased array antenna.Its advantage is that being operable with arbitrary polarization mode, and it is owned by broad beam characteristic, while possessing low back lobe level, it is compact-sized.
Description
Technical field
The invention belongs to the width in microwave and millimeter wave passive device technical field more particularly to microwave and millimeter wave passive device Beam antenna.
Background technology
Paster antenna is a kind of common antenna form in modern wireless communication systems, and because its section is low, performance is stablized, easily In the features such as integrated, inexpensive, it is widely used in miniaturization and receives terminal, phased-array radar, in telecommunication satellite.In these fortune Require that paster antenna has broad beam characteristic in, but the typical 3dB beam angles of paster antenna are 90 ° or so, also not Can meet the needs of certain utilizations.For phased array antenna, the beam angle of array element will directly influence scanning range Size.Simultaneously in the navigation satellites terminal system such as the Big Dipper/GPS, it is desirable that antenna has hemisphere covering power, traditional patch day Line far can not meet this requirement.
Current broad beam paster antenna is designed for circular polarisation mostly, and some also is designed to double-circle polarization, Seldom see the broad beam antenna for working in linear polarization.But for the system that some work in line polarization wave, use circular polarisation Antenna can not emit line polarization wave, and cut-grafting take-up polarized wave has the loss of 3dB.Therefore it studies a with arbitrary polarization side The broad beam antenna of formula has larger practical value.
In order to broaden the beam angle of paster antenna, Chu celebrating sunrise et al. proposes the broad beam patch of the parasitic annulus of a load Chip antenna (Chu celebrating sunrise, Pan Zekun, Lin Weixin, the wide-beam circularly-polarizedmicrostrip microstrip antenna of the parasitic annulus of load, Chinese invention patent, Application number 201310121176.8, applying date 2013.04.19).However the antenna can only realize the beam-broadening of circular polarisation, nothing Method broadens wave beam under polarized working method online, while the antenna backlobe level is higher.Yang Feng et al. proposed a use Metal column broaden wave beam paster antenna (Yang Feng, Wuchuan, Zhao Han, Zhang Yin, Zhang Peng, Ou Yangjun, it is a kind of to realize that the ground of broad beam cuts open Face circular polarization microstrip antenna, Chinese invention patent, 201210434559.6 applying date 2012.11.05 of application number).The patch day Line metal-loaded column around primary radiation patch forms parasitic dipoles to broaden wave beam.The same antenna is only operable on circle Polarization mode, and back lobe level due to the radiation of parasitic dipoles it is also relatively high.Xiao Shao balls et al. propose a loaded microstrip The paster antenna of oscillator is for broadening wave beam (Xiao Shaoqiu, Wang Yilong, Yuan Rui, Zhu Wei, Wang Bingzhong, a kind of broadband and wide wave beam entelechy Change Yagi spark gap-microstrip antenna, Chinese invention patent, 201510284153.8 applying date 2015.05.28 of application number).Antenna profit Director is served as with micro-strip oscillator, so that the wave beam at the bottom elevation angle has end-fire characteristic and broadens wave beam, but this antenna wave The features such as undesirable only 100 ° of the width of Shu Zhankuan, and equally exist and be only operable on circular polarisation, later half radiation are big.
Invention content
It is an object of the invention to overcome the shortcomings of the prior art, one kind is provided and may operate in arbitrary polarization mode Broad beam paster antenna, while realize reduce back lobe level function.
To achieve the above object, the technical solution that the present invention is just gone is：A kind of arbitrary polarization broad beam paster antenna, including First circuit board, second circuit board, four plastics studs and four feed ports；It is characterized in that：First circuit board includes First medium substrate and the metallic combination structure for being printed on first medium upper surface of base plate；Second circuit board includes second medium Substrate, the radiation patch for being printed on second medium upper surface of base plate and the square metal for being printed on second medium base lower surface Floor；The first circuit board is aligned with second circuit board by the plastics stud of four equal lengths and stacked on top of one another one It rises；Four feed port central symmetries are connected to by metallic vias on four symmetric feeds points of radiation patch, are led to It crosses different feeding classifications and realizes different polarization.
Further, the metallic combination structure of the first medium upper surface of base plate is by a square metal ring and eight gold Belong to line composition；The square metal ring center coincides with radiation patch side placed on it, and the interior length of side is less than the side of radiation patch It is long, the length of side of the outside length more than radiation patch；Eight metal lines are identical, and two a pair are symmetrically distributed in square metal ring Surrounding, length are slightly less than half of operation wavelength.
Further, the radiation patch shape is square；Square metal floor is also square and center coincides with Radiation patch, the square metal floor length of side are slightly larger than the outer length of side of square metal ring, while less than the interior spacing of two pairs of metal wires.
The advantages of the present invention：
(1) present invention has broad beam characteristic under arbitrarily polarization working method.With the existing simple wide wave of circular polarisation Beam antenna compares the accommodation with bigger.
(2) present invention has greatly broadened beam angle, E surface wave beamwidths by parasitic metal line and parasitic metal Fang Huan Degree is 140 °, and H surface wave beam widths reach 178 °.Compared to the prior art beam angle is wider.
(3) back lobe level of the present invention is relatively low compared with the prior art, is -12.4dB.This is conducive to reduce other to system The interference of component.
(4) floor of the present invention is smaller, and floor area is only slightly larger than primary radiation patch area.Do not influencing back lobe level In the case of have the characteristics that it is compact-sized.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention
Fig. 2 is the faces E directional diagram and conventional patch antenna comparison under linear polarization working method of the present invention
Fig. 3 is the faces H directional diagram and conventional patch antenna comparison under linear polarization working method of the present invention
Fig. 4 is the faces E directional diagram and conventional patch antenna comparison under circular polarisation working method of the present invention
Specific implementation mode
The present invention will be further described in the following with reference to the drawings and specific embodiments：As shown in Figure 1, a kind of arbitrary polarization is wide Wave beam paster antenna, including first circuit board 1,2, four plastics studs 3 of second circuit board and four feed ports 4；It is special Sign is：First circuit board 1 includes first medium substrate 11 and the metallic combination for being printed on 11 upper surface of first medium substrate Structure 5；Second circuit board 2 include second medium substrate 21, be printed on the radiation patch 22 of 21 upper surface of second medium substrate with And it is printed on the square metal floor 23 of 21 lower surface of second medium substrate, two medium substrates are the F4B high frequencies of thickness 2mm Plate；The first circuit board 1 is aligned with second circuit board 2 by the plastics stud 3 of four equal lengths and stacked on top of one another one It rises, stud length is 6mm；Four 4 central symmetries of feed port, the four of radiation patch 22 are connected to by metallic vias On a symmetric feeds point, different polarization is realized by different feeding classifications.The gold of 11 upper surface of first medium substrate Belong to composite structure 5 to be made of a square metal ring 51 and eight metal lines 52, it is a length of outside a length of 36mm of becket inner edge 43mm；51 center of square metal ring coincides with 22 side placed on it of radiation patch；Eight metal lines 52 are identical, and two A a pair is symmetrically distributed in 51 surrounding of square metal ring, and length is that 40mm width is 2mm, and 52 spacing of each pair of metal wire is 6mm, Every two pairs of metal wires distance is 55mm.22 shape of the radiation patch is square, length of side 38mm；Square metal floor 23 It is square and center coincides with radiation patch 22,23 length of side of square metal floor is 45mm.
The principle of technical scheme of the present invention is：The load of top square metal ring in radiation patch after can be formed two it is humorous It shakes a little, resonance current reverse phase of the square metal ring on the two resonance points.Square metal ring low-frequency resonant point far field and lower section Radiation patch far field is superimposed in Z-direction to make wave beam narrow, and gain improves；Square metal ring high-frequency resonant point far field and lower section It offsets that beam broadening, gain is made to decline in Z-direction in radiation patch far field.Width by increasing square metal ring can incite somebody to action Low-frequency resonant point curbs, and working frequency points is made to fall in the range of high-frequency resonant point to increase E surface wave beam widths.
It is half wavelength that eight metal lines, which make length, can as parasitic dipoles by the coupling excitation of radiation patch, Greatest irradiation direction is directed toward low elevation direction, can broaden the beam angle in the faces H in this way.The high-frequency resonant point of square metal ring 2 Current direction and the current direction on the contrary, cancel out each other on the far field therefore radiated after thinking of metal wire reduce back lobe electricity It is flat.The lobe in the faces E and the faces H can be made to be broadened using the combination of both the above mode, thus broaden entire three-dimensional wave Valve width.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field Those of ordinary skill can make the various various other tools for not departing from the present invention according to the technical disclosures disclosed by the invention Body variations and combinations, these variations and combinations are still within the scope of the present invention.
Claims (3)
1. a kind of arbitrary polarization broad beam paster antenna, including first circuit board (1), second circuit board (2), four plastics studs (3) and four feed ports (4)；It is characterized in that：First circuit board (1) includes first medium substrate (11) and is printed on The metallic combination structure (5) of first medium substrate (11) upper surface；Second circuit board (2) includes second medium substrate (21), print Brush second medium substrate (21) upper surface radiation patch (22) and be printed on the side of second medium substrate (21) lower surface Shape metal floor (23)；The plastics stud (3) that the first circuit board (1) passes through four equal lengths with second circuit board (2) Be aligned and it is stacked on top of one another together；Four feed port (4) central symmetries, radiation patch is connected to by metallic vias (22) on four symmetric feeds points, different polarization is realized by different feeding classifications.
2. arbitrary polarization broad beam paster antenna according to claim 1, it is characterised in that：The first medium substrate (11) the metallic combination structure (5) of upper surface is made of a square metal ring (51) and eight metal lines (52)；The side Shape becket (51) center coincides with radiation patch (22) side placed on it, and the interior length of side is less than the length of side of radiation patch (22), outside The length of side is more than the length of side of radiation patch (22)；Eight metal lines (52) are identical, and two a pair are symmetrically distributed in square metal Ring (51) surrounding, length are slightly less than half of operation wavelength.
3. arbitrary polarization broad beam paster antenna according to claim 1, it is characterised in that：Radiation patch (22) shape Shape is square；Square metal floor (23) is also square and center coincides with radiation patch (22), square metal floor (23) length of side is slightly larger than the outer length of side of square metal ring (51), while less than the interior spacing of two pairs of metal wires (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292937.6U CN207910067U (en) | 2017-10-09 | 2017-10-09 | A kind of arbitrary polarization broad beam paster antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292937.6U CN207910067U (en) | 2017-10-09 | 2017-10-09 | A kind of arbitrary polarization broad beam paster antenna |
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| Publication Number | Publication Date |
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| CN207910067U true CN207910067U (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721292937.6U Expired - Fee Related CN207910067U (en) | 2017-10-09 | 2017-10-09 | A kind of arbitrary polarization broad beam paster antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768833A (en) * | 2017-10-09 | 2018-03-06 | 成都瑞德星无线技术有限公司 | A kind of any polarization broad beam paster antenna |
| CN112753133A (en) * | 2018-09-28 | 2021-05-04 | 高通股份有限公司 | Multi-layer patch antenna |
| CN113206393A (en) * | 2021-05-18 | 2021-08-03 | 宋天阳 | Reflection type multifunctional beam scanning satellite communication panel array antenna and control method |
-
2017
- 2017-10-09 CN CN201721292937.6U patent/CN207910067U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768833A (en) * | 2017-10-09 | 2018-03-06 | 成都瑞德星无线技术有限公司 | A kind of any polarization broad beam paster antenna |
| CN107768833B (en) * | 2017-10-09 | 2024-03-15 | 成都瑞德星无线技术有限公司 | Random polarization wide wave beam patch antenna |
| CN112753133A (en) * | 2018-09-28 | 2021-05-04 | 高通股份有限公司 | Multi-layer patch antenna |
| CN112753133B (en) * | 2018-09-28 | 2024-07-05 | 高通股份有限公司 | Multilayer patch antenna |
| CN113206393A (en) * | 2021-05-18 | 2021-08-03 | 宋天阳 | Reflection type multifunctional beam scanning satellite communication panel array antenna and control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| 2018-09-25 | GR01 | Patent grant | |
| 2018-09-25 | GR01 | Patent grant | |
| 2024-06-25 | CF01 | Termination of patent right due to non-payment of annual fee | |
| 2024-06-25 | CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 |