CN209344327U - C-band Broadband Circular Polarization Microstrip Antenna battle array - Google Patents
C-band Broadband Circular Polarization Microstrip Antenna battle array Download PDFInfo
- Publication number
- CN209344327U CN209344327U CN201920347040.1U CN201920347040U CN209344327U CN 209344327 U CN209344327 U CN 209344327U CN 201920347040 U CN201920347040 U CN 201920347040U CN 209344327 U CN209344327 U CN 209344327U
- Authority
- CN
- China
- Prior art keywords
- chip unit
- power splitter
- radiation patch
- circular polarization
- under
- Prior art date
- 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.)
- Active
Links
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model proposes a kind of C-band Broadband Circular Polarization Microstrip Antenna battle arrays, belong to antenna communication technique field, it specifically includes antenna house, upper radiation patch, support plate, lower radiation patch and printed circuit board, antenna house is connect with printed circuit board by support plate, the lower surface of antenna house connects upper radiation patch, the upper surface of printed circuit board is printed with lower radiation patch, further includes having microstrip circuit and threading hole on printed circuit board, is connected with power splitter on microstrip circuit.The purpose of this utility model is to solve the problems, such as existing C-band microstrip antenna narrow bandwidth, proposes that one kind can widen the bandwidth of C-band microstrip antenna and not increase the microstrip antenna of the complexity of structure.
Description
Technical field
The utility model belongs to antenna communication technique field, and in particular to C-band Broadband Circular Polarization Microstrip Antenna battle array.
Background technique
Microstrip antenna because its low section, it is small in size, be easily integrated the features such as being easy to control with conformal and directional diagram, answer it
Relatively broad with range, traditional microstrip antenna is mainly by microstrip line or coaxial line direct feed to radiation patch, radiation patch
Piece is placed on dielectric-slab and radiation patch generally only has one layer, this form beamwidth of antenna is limited to feeding classification and medium material
The bandwidth of the limitation of material, antenna is often not ideal enough, and general C-band microstrip antenna bandwidth is only 1% or so, and bandwidth is more
Narrow, therefore, designing one kind and capable of widening the bandwidth of C-band microstrip antenna and not increase the complexity of antenna structure is ability
Field technique personnel's urgent problem to be solved.
Utility model content
In order to solve the problems, such as above-mentioned C-band microstrip antenna narrow bandwidth, the utility model proposes a kind of C-band broadband circles
Polarization micro-strip antenna array, specific technical solution are as follows:
C-band Broadband Circular Polarization Microstrip Antenna battle array, which is characterized in that including antenna house, upper radiation patch, support plate, under
Radiation patch and printed circuit board, the antenna house are connect with printed circuit board by support plate, the following table of the antenna house
Face connects upper radiation patch, and the upper surface of the printed circuit board is printed with lower radiation patch, also wraps on the printed circuit board
Microstrip circuit and threading hole have been included, has been connected with power splitter on the microstrip circuit.
It further limits, the upper radiation patch is integrally fixedly connected with antenna house.
It further limiting, the power splitter includes level-one power splitter, the first second level power splitter and the second second level power splitter,
The input terminal of the level-one power splitter is connect with feed element, the output end input terminal and second with the first second level power splitter respectively
The input terminal of second level power splitter connects, and the output end and lower radiation patch of the first second level power splitter and the second second level power splitter connect
It connects.
It further limits, the level-one power splitter, the first second level power splitter and the second second level power splitter are one-to-two
Power splitter.
It further limits, the upper radiation patch (2) and lower radiation patch (4) include at least one chip unit and upper spoke
Penetrate that patch (2) is equal with the quantity of lower radiation patch (4), the shape of the chip unit is rectangle, at one group of chip unit
Diagonally it is equipped with the diagonal line of corner cut and two neighboring chip unit corner cut mutually angle in 90 °.
It further limits, the upper radiation patch includes chip unit on first, chip unit on second, patch in third
Chip unit on unit and the 4th；The lower radiation patch includes under the first lower chip unit, the second lower chip unit, third
Chip unit and the 4th lower chip unit, under the described first lower chip unit, the second lower chip unit, third chip unit with
And chip unit is connect with the output end of the first second level power splitter and the second second level power splitter respectively under the 4th；It is pasted on described first
Blade unit is concentric and is set in parallel the top of the chip unit under first, and chip unit is concentric on described second and sets in parallel
The top of the chip unit under second is set, chip unit is concentric in the third and is set in parallel the chip unit under third
Top, chip unit with one heart and is set in parallel the top of the chip unit under the 4th on the described 4th.
It further limits, the described first lower chip unit and second lower 90 ° of connections of chip unit phase phase difference, the second lower patch
It is connected for 90 ° of chip unit phase phase difference under blade unit and third, chip unit and the 4th lower chip unit phase phase difference under third
90 ° of connections, the 4th lower chip unit and first lower 90 ° of connections of chip unit phase phase difference.
It further limits, chip unit on described first, chip unit on second, in third on chip unit and the 4th
The area equation of chip unit, described first descends under chip unit, the second lower chip unit, third under chip unit and the 4th
The area equation of chip unit and less than first on chip unit, chip unit on second, chip unit and the 4th in third
The area of upper chip unit.
It further limits, the antenna house, support plate and printed circuit board are equipped with screw hole and pin hole.
Compared with prior art, the utility model has the advantages that
1, the lower surface of the utility model antenna house is integrally fixedly connected with radiation patch, the upper surface of printed circuit board
Be printed with lower radiation patch, share upper radiation patch and lower two layers of radiation patch of radiation patch, upper radiation patch by with lower spoke
It penetrates patch to couple to obtain power and outside radiation energy, not only increases the bandwidth of operation of antenna, and antenna house and upper radiation
Patch is integrally fixedly connected, and keeps antenna structure compact simple.
2, level-one power splitter, the first second level power splitter and the second second level power splitter and level-one are connected on microstrip circuit
Power splitter, the first second level power splitter and the second second level power splitter are one-to-two power splitter, pass through level-one power splitter, the one or two
To first, chip unit, second descend patch list down by the power distribution of feed element for grade power splitter and the second second level power splitter
Member, patch under chip unit and the 4th lower chip unit and the first lower chip unit, the second lower chip unit, third under third
The phase of unit and the 4th lower chip unit successively differs 90 °, realizes the circular polarization radiation of antenna.
3, chip unit on first, chip unit on second, chip unit in third, on the 4th under chip unit, first
Chip unit and the 4th lower chip unit are rectangle under chip unit, the second lower chip unit, third, and rectangle has one group pair
Angle is equipped with corner cut, and the setting of corner cut can be further improved Circular polarization ratio.
Detailed description of the invention
Fig. 1 is the utility model printed circuit board and lower radiation patch structural schematic diagram；
Fig. 2 is radiation patch and supporting plate structure arrangement schematic diagram on the utility model；
Fig. 3 is the utility model antenna house, support plate and printed circuit board assembly structure diagram；
Fig. 4 is the actual measurement standing wave pattern of embodiment 1, embodiment 2 and embodiment 3；
Fig. 5 is measured direction face directional diagram of the utility model in 3.75GHz, 4GHz, 4.25GHz；
Fig. 6 is that actual measurement of the utility model in 3.75GHz, 4GHz, 4.25GHz pitches face directional diagram；
Wherein, 1- antenna house, the upper radiation patch of 2-, 3- support plate, radiation patch under 4-, 5- printed circuit board, 6- threading
Hole, 7- level-one power splitter, 8- the first second level power splitter, 9- the second second level power splitter, chip unit on 21- first, 22- second
Upper chip unit, chip unit in 23- third, chip unit on 24- the 4th, the lower chip units of 41- first, 42- second is lower to be pasted
Blade unit, chip unit under 43- third, the lower chip units of 44- the 4th.
Specific embodiment
Explanation, but this reality are further explained to the technical solution of the utility model below according to accompanying drawings and embodiments
Embodiments described below is not limited to novel.
It is the structural schematic diagram of the utility model printed circuit board 5 referring to Fig. 1, is printed in the upper surface of printed circuit board 5
Have a lower radiation patch 4, one-to-two power splitter, lower radiation patch 4 include the lower chip unit 42 of the first lower chip unit 41, second,
Chip unit 43 and the 4th lower chip unit 44, one-to-two power splitter include level-one power splitter 7, the first second level function point under third
The input terminal of device 8 and the second second level power splitter 9, level-one power splitter 7 passes through the coaxial line passed through in threading hole 6 and feed element
Connection, for being fed to lower radiation patch 4 and upper radiation patch 2, the output end of level-one power splitter 7 by coaxial line respectively with
The connection of the input terminal of the input terminal of first second level power splitter 8 and the second second level power splitter 9, the output end of the first second level power splitter 8
It is connect respectively with the first lower chip unit 41 and the second lower chip unit 42 by coaxial line, the output of the second second level power splitter 9
End is connect by coaxial line with chip unit 43 under third and the 4th lower chip unit 44；Wherein, the first lower 41 He of chip unit
Second lower chip unit 42 differs 90 ° of connections, chip unit 43 under the second lower chip unit 42 and third by coaxial phase of line
90 ° of connections are differed by coaxial phase of line, chip unit 43 and the 4th lower chip unit 44 pass through coaxial phase of line phase under third
Poor 90 ° of connections, the 4th lower chip unit 44 and the first lower chip unit 41 differ 90 ° of connections by coaxial phase of line, in this way, the
Once chip unit 43 and the 4th lower chip unit 44 can get number under the lower chip unit 42 of chip unit 41, second, third
It is worth identical power and phase is respectively 0 °, 90 °, 180 °, 270 °, realizes the circular polarisation of antenna element.
Referring to fig. 2, the chip unit 43 and the 4th under chip unit 42, third under chip unit 41, second under first
The top of lower chip unit 44 successively with one heart and has been set in parallel on first chip unit 22 on chip unit 21, second, the
Chip unit 24 on chip unit 23 and the 4th on three, chip unit 22 on chip unit 21, second on first paste in third
Chip unit 24 is integrally fixed on chip unit 21, second on the lower surface and first of antenna house 1 on blade unit 23 and the 4th
On upper chip unit 22, third on chip unit 23 and the 4th 24 ground area of chip unit be greater than the first lower chip unit 41,
The area of chip unit 43 and the 4th lower chip unit 44 under second lower chip unit 42, third.
Referring to Fig. 3, support plate 3 is connected between antenna house 1 and printed circuit board 5, in the circumferential side frame of support plate 3
Equipped with screw hole or pin hole, meanwhile, screw hole or pin also are provided in the corresponding position of antenna house 1 and printed circuit board 5
Hole, for antenna house 1, support plate 3 and printed circuit board 5 to be installed together, when installation, in the upper and lower side frame of support plate 3
Epoxide-resin glue is smeared, is bonded itself and the lower surface of antenna house 1 and the upper surface of printed circuit board 5 preferably, in antenna house
Closed air dielectric layer is formed between 1 and printed circuit board 5.
Embodiment 1
Chip unit 43 and the 4th lower chip unit under first lower chip unit 41, second lower chip unit 42, third
44 be four square plates that area is 24.8mm × 24.8mm, constitutes antenna array, wherein four square plates have one group
The position that the diagonal equilateral triangle corner cut for being 5mm as side length and adjacent square plate make corner cut is different diagonal；On first
Chip unit 22 on chip unit 21, second, chip unit 24 is that area is on chip unit 23 and the 4th in third
Four square plates of 25.2mm × 25.2mm, four square plates make the equilateral triangle corner cut that side length is 2mm, corner cut
Under position and the first of corresponding lower section under the lower chip unit 42 of chip unit 41, second, third under chip unit 43 and the 4th
The position of chip unit 44 is identical, at this point, the axis ratio of antenna is 0.9dB, chip unit on chip unit 21, second on first
22, in third on chip unit 23 and the 4th chip unit 24 by with the corresponding first lower chip unit 41, second is lower pastes
Chip unit 43 and the 4th lower coupling of chip unit 44 obtain power and outside radiation energy under blade unit 42, third, by day
The bandwidth enlargement of line is to 12.5%；Referring to fig. 4, the antenna array standing wave of the present embodiment is referring to Fig. 5 (a) and Fig. 6 (a) less than 1.5
Measured direction face directional diagram of the antenna of the present embodiment in 3.75GHz and actual measurement flexion-extension face directional diagram, antenna gain Gain are
The orientation surface wave of 12.1dBi, Fig. 5 (a) are 43.1 ° wide, and the pitching surface wave of Fig. 6 (a) is 49.8 ° wide), meet gain G T.GT.GT 11dBi, side
30 ° of the wide > of plane wave, 40 ° of the wide > of pitching surface wave.
Embodiment 2
Chip unit 43 and the 4th lower chip unit under first lower chip unit 41, second lower chip unit 42, third
44 be four square plates for being area 23mm × 23mm, constitute antenna array, wherein four square plates have one group it is diagonal
As side length be 4mm equilateral triangle corner cut and adjacent square plate to make the position of corner cut be different diagonal；Patch on first
Chip unit 22 on unit 21, second, in third on chip unit 23 and the 4th chip unit 24 be area be 24.8mm ×
Four square plates of 24.8mm, four square plates make the equilateral triangle corner cut of side length 1.5mm, the position of corner cut with it is corresponding
Chip unit 43 and the 4th lower chip unit 44 under the lower chip unit 41, second of the first of lower section lower chip unit 42, third
Position it is identical, at this point, the axis ratio of antenna is 2.4dB, chip unit 22 on chip unit 21, second on first pastes in third
On blade unit 23 and the 4th chip unit 24 by with the lower chip unit 42 of the corresponding first lower chip unit 41, second, the
Three lower chip units 43 and the 4th lower coupling of chip unit 44 obtain power and outside radiation energy, by the bandwidth enlargement of antenna
To 12.5%；Referring to fig. 4, the antenna array standing wave of the present embodiment is the day of the present embodiment referring to Fig. 5 (b) and Fig. 6 (b) less than 1.5
Measured direction face directional diagram of the line in 4GHz and actual measurement flexion-extension face directional diagram, antenna gain Gain are 12.5dBi, wherein Fig. 5
(b) orientation surface wave is 35.7 ° wide, and Fig. 6 (b) pitching surface wave is 42.4 ° wide).
Embodiment 3
Chip unit 43 and the 4th lower chip unit under first lower chip unit 41, second lower chip unit 42, third
44 be four square plates that area is 25.8mm × 25.8mm, constitutes antenna array, wherein four square plates have one group
The position that the diagonal equilateral triangle corner cut for being 5.5mm as side length and adjacent square plate make corner cut is different diagonal；First
Chip unit 22 on upper chip unit 21, second, chip unit 24 is that area is on chip unit 23 and the 4th in third
Four square plates of 27mm × 27mm, four square plates make the equilateral triangle corner cut that side length is 2.5mm, the position of corner cut
Set chip unit 43 and the 4th lower patch under the first lower chip unit 41, second lower chip unit 42, third with corresponding lower section
The position of blade unit 44 is identical, at this point, the axis ratio of antenna is 2.0dB, chip unit 22 on chip unit 21, second on first,
In third on chip unit 23 and the 4th chip unit 24 by with the lower patch list of the corresponding first lower chip unit 41, second
Chip unit 43 and the 4th lower coupling of chip unit 44 obtain power and outside radiation energy under member 42, third, by antenna
Bandwidth enlargement is to 12.5%；Referring to fig. 4, the antenna array standing wave of the present embodiment is this reality referring to Fig. 5 (c) and Fig. 6 (c) less than 1.5
Measured direction face figure directional diagram of the antenna of example in 4.25GHz and actual measurement flexion-extension face directional diagram are applied, antenna gain Gain is
13dBi, wherein the orientation Fig. 5 (c) surface wave is 33.7 ° wide, and Fig. 6 (c) pitching surface wave is 41.5 ° wide.
Claims (9)
1.C band broadband circular polarization microstrip antenna array, which is characterized in that including antenna house (1), upper radiation patch (2), support plate
(3), lower radiation patch (4) and printed circuit board (5), the antenna house (1) and printed circuit board (5) pass through support plate (3)
The lower surface of connection, the antenna house (1) connects upper radiation patch (2), and the upper surface of the printed circuit board (5) is printed with down
Radiation patch (4) further includes having microstrip circuit and threading hole (6) on the printed circuit board (5), connects on the microstrip circuit
It is connected to power splitter.
2. C-band Broadband Circular Polarization Microstrip Antenna battle array as described in claim 1, which is characterized in that the upper radiation patch (2)
It is integrally fixedly connected with antenna house (1).
3. C-band Broadband Circular Polarization Microstrip Antenna battle array as described in claim 1, which is characterized in that the power splitter includes one
Grade power splitter (7), the first second level power splitter (8) and the second second level power splitter (9), the input terminal of the level-one power splitter (7)
It is connect with feed element, the output end input with the input terminal of the first second level power splitter (8) and the second second level power splitter (9) respectively
The output end of end connection, the first second level power splitter (8) and the second second level power splitter (9) is connect with lower radiation patch (4).
4. C-band Broadband Circular Polarization Microstrip Antenna battle array as claimed in claim 3, which is characterized in that the level-one power splitter,
One second level power splitter and the second second level power splitter are one-to-two power splitter.
5. C-band Broadband Circular Polarization Microstrip Antenna battle array as described in claim 1, which is characterized in that the upper radiation patch (2)
With lower radiation patch (4) include at least one chip unit and upper radiation patch (2) is equal with the quantity of lower radiation patch (4),
The shape of the chip unit is rectangle, and one group in chip unit is diagonally above equipped with corner cut and two neighboring chip unit is formed
The mutual angle in 90 ° of the diagonal line of corner cut.
6. C-band Broadband Circular Polarization Microstrip Antenna battle array as claimed in claim 5, which is characterized in that the upper radiation patch (2)
Including patch list on chip unit (23) and the 4th in chip unit (22) on chip unit (21) on first, second, third
First (24)；The lower radiation patch (4) includes patch under first lower chip unit (41), the second lower chip unit (42), third
Unit (43) and the 4th lower chip unit (44), described first lower chip unit (41), the second lower chip unit (42), third
Lower chip unit (43) and the 4th lower chip unit (44) respectively with the first second level power splitter (8) and the second second level power splitter
(9) output end connection；Chip unit (21) is concentric on described first and is set in parallel the chip unit (41) under first
Top, chip unit (22) with one heart and is set in parallel the top of the chip unit (42) under second on described second, and described the
Chip unit (23) is concentric on three and is set in parallel the top of the chip unit (43) under third, chip unit on the described 4th
(24) top that is concentric and being set in parallel the chip unit (44) under the 4th.
7. C-band Broadband Circular Polarization Microstrip Antenna battle array as claimed in claim 6, which is characterized in that the described first lower patch list
First (41) and 90 ° of phase phase difference of second lower chip unit (42) connect, chip unit under second lower chip unit (42) and third
(43) it connects for 90 ° of phase phase difference, chip unit (43) and the connection of 90 ° of phase phase difference of the 4th lower chip unit (44) under third, the
Four lower chip unit (44) and first lower chip unit (41) 90 ° of phase phase difference connections.
8. C-band Broadband Circular Polarization Microstrip Antenna battle array as claimed in claim 6, which is characterized in that patch list on described first
On first (21), chip unit (22) on second, third on chip unit (23) and the 4th chip unit (24) area equation,
Chip unit (43) and the 4th lower patch list under described first lower chip unit (41), the second lower chip unit (42), third
The area equation of first (44) and less than first on chip unit (21), chip unit (22) on second, chip unit in third
(23) area of chip unit (24) and on the 4th.
9. C-band Broadband Circular Polarization Microstrip Antenna battle array as described in claim 1, which is characterized in that the antenna house (1), branch
Fagging (3) and printed circuit board (5) are equipped with screw hole and pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347040.1U CN209344327U (en) | 2019-03-19 | 2019-03-19 | C-band Broadband Circular Polarization Microstrip Antenna battle array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347040.1U CN209344327U (en) | 2019-03-19 | 2019-03-19 | C-band Broadband Circular Polarization Microstrip Antenna battle array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209344327U true CN209344327U (en) | 2019-09-03 |
Family
ID=67763135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920347040.1U Active CN209344327U (en) | 2019-03-19 | 2019-03-19 | C-band Broadband Circular Polarization Microstrip Antenna battle array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209344327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769356A (en) * | 2020-07-06 | 2020-10-13 | 重庆金美通信有限责任公司 | Side-fed dual-circular-polarization microstrip antenna |
| WO2023087161A1 (en) * | 2021-11-17 | 2023-05-25 | Boe Technology Group Co., Ltd. | Antenna and display apparatus |
-
2019
- 2019-03-19 CN CN201920347040.1U patent/CN209344327U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769356A (en) * | 2020-07-06 | 2020-10-13 | 重庆金美通信有限责任公司 | Side-fed dual-circular-polarization microstrip antenna |
| WO2023087161A1 (en) * | 2021-11-17 | 2023-05-25 | Boe Technology Group Co., Ltd. | Antenna and display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2984709B1 (en) | Array antenna and related techniques | |
| CN103872464B (en) | Ultra wide band 180 degree hybrid circuit for dual band cellular antenna for base station | |
| CN104157978B (en) | A kind of corner-fed high isolation dual polarized stacked microstrip antenna of modified model | |
| CN209344327U (en) | C-band Broadband Circular Polarization Microstrip Antenna battle array | |
| CN104466379B (en) | A kind of broadband circular polarization patch antenna for thering is sheet metal to load | |
| CN102738572A (en) | Broadband directional microstrip patch antenna | |
| CN108134197A (en) | Integrated 4 differential feed low section dual polarization vibrator units and antenna for base station | |
| EP4064453A1 (en) | 5g antenna and radiation unit thereof | |
| CN107516763A (en) | Patch antenna element and array | |
| CN106299673A (en) | A kind of small sized wide-band circular polarized antenna | |
| CN106384885B (en) | A kind of bunge bedstraw herb shape broad band circular polarization plane antenna | |
| CN202616409U (en) | Broadband directional microstrip patch antenna | |
| CN108521024A (en) | Broadband Circular Polarization Microstrip Antenna based on artificial magnetic conductor | |
| CN211578982U (en) | Novel double-layer multi-frequency broadband microstrip antenna | |
| CN201466214U (en) | Ultrathin flat plate-type circular polarized antenna | |
| CN109037895A (en) | The closely coupled antennae battle array of broadband and wideangle low section | |
| CN208489352U (en) | Minimize bipolar all frequency bands antenna | |
| CN209217203U (en) | A kind of millimeter wave dual-polarized patch antenna | |
| CN208522072U (en) | The closely coupled antennae battle array of broadband and wideangle low section | |
| CN109742537A (en) | A kind of three frequency circular polarized antennas for Beidou II satellite navigation system | |
| CN209516007U (en) | A kind of three frequency circular polarized antennas for Beidou II satellite navigation system | |
| WO2021203529A1 (en) | Low-profile wideband antenna | |
| CN209418759U (en) | A kind of ultra wide band microstrip antenna | |
| CN209282385U (en) | A kind of string and combination fed microstrip array antenna applied to millimetre-wave radar | |
| CN208423185U (en) | A kind of microstrip antenna using H-shaped cutler feed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |