CN112768913B - Broadband wave beam fixed traveling wave antenna - Google Patents
Broadband wave beam fixed traveling wave antenna Download PDFInfo
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- CN112768913B CN112768913B CN202011600013.4A CN202011600013A CN112768913B CN 112768913 B CN112768913 B CN 112768913B CN 202011600013 A CN202011600013 A CN 202011600013A CN 112768913 B CN112768913 B CN 112768913B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
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Abstract
The invention provides a broadband wave beam fixed traveling wave antenna, which comprises an upper layer metal plate, a dielectric plate, a lower layer metal plate, a feed probe, a main feed line, 16 branches and 16 radiation patches, wherein: the upper metal plate, the dielectric plate and the lower metal plate are strip-shaped plates, the upper metal plate is attached to the upper surface of the dielectric plate, and the lower metal plate is attached to the lower surface of the dielectric plate; the middle of the dielectric slab is provided with a middle layer, the main feeder line, the 16 branches and the 16 radiation patches are arranged on the middle layer, the main feeder line is connected with the 16 branches at equal intervals, the 16 branches are connected with the 1 radiation patch, and the 16 branches have length difference; and a feeding probe which is longitudinally arranged and penetrates through the medium is arranged at the starting position of the main feeder line. The invention realizes the fixed radiation characteristic of the wave beam through the length difference of 16 branches, and meanwhile, the antenna has the characteristics of easy integration and easy processing and can realize large bandwidth.
Description
Technical Field
The invention relates to the field of communication antennas, in particular to a broadband beam fixed traveling wave antenna.
Background
A beam fixed antenna is an antenna commonly used in wireless communication, which can radiate in a fixed direction, and can be used in satellite communication and point-to-point communication. Conventional antennas capable of achieving beam fixing have a series-fed array antenna. The partial leaky-wave antenna can also be regarded as a series-fed array antenna, but the beam dispersion condition exists, the beam dispersion is reduced, and the method for realizing the beam fixation comprises a coupled substrate integrated waveguide antenna, a metamaterial antenna, a super-surface antenna and the like, but the design of the antennas is complex.
Chinese patent publication No. CN107394381A, published 24/11/2017, discloses a stacked traveling wave antenna unit-based low-profile broadband circularly polarized array antenna, comprising: the antenna comprises a circularly polarized antenna unit formed by 3 sections of metal layers printed on two sides of a dielectric plate in an end-to-end manner and metallized through holes connected with 2 layers, a 2 x 2 antenna subarray formed by a metallized through hole cavity and 4 antenna units, a 16-path fully parallel feed network formed by metallized through holes, a gap for coupling feed between a feed layer and a metal cavity and between antennas, and a switching structure between a Grounded Coplanar Waveguide (GCPW) for testing and a Substrate Integrated Waveguide (SIW), but the design of the antenna is complex.
Disclosure of Invention
The invention provides a broadband wave beam fixed traveling wave antenna, which realizes the fixation of wave beams and large bandwidth, and has the advantages of easy integration and easy processing.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a broadband wave beam fixed traveling wave antenna comprises an upper layer metal plate, a dielectric plate, a lower layer metal plate, a feed probe, a main feed line, 16 branches and 16 radiation patches, wherein:
the upper metal plate, the dielectric plate and the lower metal plate are strip-shaped plates, the upper metal plate is attached to the upper surface of the dielectric plate, and the lower metal plate is attached to the lower surface of the dielectric plate;
the middle of the dielectric slab is provided with a middle layer, the main feeder line, the 16 branches and the 16 radiation patches are arranged on the middle layer, the main feeder line is connected with the 16 branches at equal intervals, the 16 branches are connected with the 1 radiation patch, and the 16 branches have length difference;
and a feeding probe which is longitudinally arranged and penetrates through the medium is arranged at the starting position of the main feeder line.
Preferably, the main feeder lines include a gradual feeder line and an equal-width main feeder line, the gradual feeder line is connected to the equal-width feeder line, the width of the gradual feeder line increases linearly, the width of the connection portion of the gradual feeder line and the equal-width feeder line is equal to the width of the equal-width feeder line, the equal-width feeder line is connected to the 16 branches at equal intervals, and a longitudinally-arranged feed probe penetrating through the medium is arranged at the position where the width of the gradual feeder line is the smallest.
Preferably, the length of the tapered feeder line is L4Mm, minimum width Wm1Mm, maximum width Wm2Millimeter, the width of the equal-width feed line is Wm2Mm, length L3And (4) millimeter.
Preferably, the lengths of the upper metal plate, the lower metal plate and the dielectric plate are equal, the width of the dielectric plate is longer than the widths of the upper metal plate and the lower metal plate, the upper metal plate and the lower metal plate are aligned and attached along the long edge of one side of the dielectric plate, and the overlapped area of the upper metal plate, the lower metal plate and the dielectric plate is an overlapped area.
Preferably, the dielectric plate is a solid dielectric.
Preferably, the distance between the middle layer and the upper surface and the distance between the middle layer and the lower surface of the dielectric plate are equal.
Preferably, the main feed line and the 16 branches are located within the overlap region at the position of the intermediate layer, and the 16 radiating patches are located outside the overlap region at the position of the intermediate layer.
Preferably, the 16 branches are all L-shaped branches, one side of each L-shaped branch is connected to the main feed line, and the other side of each L-shaped branch is connected to the radiating patch.
Preferably, one side of each of the 16L-shaped branches is sequentially arranged at an interval of L millimeters, except for the last 1L-shaped branch, the lengths of one sides of the other 15L-shaped branches are sequentially increased by Δ y millimeters, and the length of one pass of the last L-shaped branch is equal to the longest length of one side of the other 15L-shaped branches; the length of the other side of the 16L-shaped branches is sequentially reduced by Delta L millimeters, and the longest length of the other side of the 16L-shaped branches is 15 Delta L millimeters; the width of two sides of the L-shaped branch is WmAnd (4) millimeter.
Preferably, the antenna is manufactured by adopting a printed circuit board technology.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention realizes the fixed radiation characteristic of the wave beam through the length difference of 16 branches, and meanwhile, the antenna has the characteristics of easy integration and easy processing and can realize large bandwidth.
Drawings
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a top view of the embodiment;
FIG. 3 is a side view of the embodiment;
FIG. 4 is a reflection coefficient plot for an embodiment;
FIG. 5 is a graph of gain versus efficiency for an embodiment;
figure 6 is a radiation pattern for an embodiment operating at 9.0 GHz.
Figure 7 is a radiation pattern for an embodiment operating at 11.0 GHz.
Figure 8 is a radiation pattern for an embodiment operating at 13.0 GHz.
The reference numbers illustrate:
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The present embodiment provides a broadband beam fixed traveling wave antenna, as shown in fig. 1 to 3, including an upper metal plate 2, a dielectric plate 4, a lower metal plate 3, a feeding probe 1, a main feeder 7, 16 branches 6, and 16 radiation patches 5, where:
the upper metal plate 2, the dielectric plate 4 and the lower metal plate 3 are strip-shaped plates, the upper metal plate 2 is attached to the upper surface of the dielectric plate 4, and the lower metal plate 3 is attached to the lower surface of the dielectric plate 4;
an intermediate layer is arranged in the middle of the dielectric plate 4, the main feeder 7, the 16 branches 6 and the 16 radiation patches 5 are arranged in the intermediate layer, the main feeder 7 is connected with the 16 branches 6 at equal intervals, the 16 branches 6 are connected with the 1 radiation patches 5, and the 16 branches 6 have length difference;
the starting position of the main feeder 7 is provided with a feed probe 1 which is longitudinally arranged and penetrates through the medium.
The main feeder lines 7 comprise gradient feeder lines and constant-width main feeder lines 7, the gradient feeder lines are connected with the constant-width feeder lines, the width of the gradient feeder lines is linearly increased, the width of the positions where the gradient feeder lines are connected with the constant-width feeder lines is equal to that of the constant-width feeder lines, the constant-width feeder lines are respectively connected with the 16 branches 6 at equal intervals, and a feeding probe 1 which penetrates through a medium and is longitudinally arranged is arranged at the position where the width of the gradient feeder lines is minimum.
The length of the gradual change feeder line is L4Mm, minimum width Wm1Mm, maximum width Wm2Millimeter, the width of the equal-width feed line is Wm2Mm, length L3Mm, in this embodiment, Wm2Is taken to be 4, Wm1Take 1.
The length of upper metal sheet 2, lower floor's metal sheet 3 and dielectric slab 4 equals, the width of dielectric slab 4 is good at the width of upper metal sheet 2, lower floor's metal sheet 3, upper metal sheet 2 and lower floor's metal sheet 3 are along the laminating is aligned to one side long edge of dielectric slab 4, the region of upper metal sheet 2, lower floor's metal sheet 3 and the coincidence of dielectric slab 4 is the coincidence region, in this embodiment, the length of upper metal sheet and lower floor's metal sheet is 196 mm.
The dielectric plate 4 is a solid dielectric medium, and the length, width and thickness of the dielectric plate are 196mm, 60mm and 1.6mm respectively.
The intermediate layers are equidistant from the upper and lower surfaces of the dielectric plate 4.
The main feed line 7 and the 16 branches 6 are located within the overlap area at the location of the intermediate layer, and the 16 radiating patches 5 are located outside the overlap area at the location of the intermediate layer.
The 16 branches 6 are all L-shaped branches 6, one side of each L-shaped branch 6 is connected with the main feeder 7, and the other side of each L-shaped branch 6 is connected with the radiating patch 5.
One side of each of the 16L-shaped branches 6 is sequentially arranged at an interval of L millimeters, except for the last 1L-shaped branch 6, the lengths of one sides of the other 15L-shaped branches 6 are sequentially increased by delta y millimeters, and the length of one pass of the last L-shaped branch 6 is equal to the longest length of one side of the other 15L-shaped branches 6; the length of the other side of the 16L-shaped branches 6 is sequentially reduced by Delta L millimeters, and the longest length of the other side of the 16L-shaped branches 6 is 15 Delta L millimeters; the width of two sides of the L-shaped branch 6 is WmMm, in this embodiment, Wm0.3 was taken, Δ L was 3.3, and Δ y was 2.5.
The antenna is manufactured by adopting a printed circuit board technology.
In the specific implementation process, the antenna is assembled on a dielectric plate 4 with the dielectric constant of 2.2, the loss tangent of 0.0009, the length of 196mm, the width of 60mm and the total thickness of 1.6 mm; the length of upper metal sheet 2 and lower floor's metal sheet 3 is 196mm, branch 6, and main feeder 7 and radiation patch 5 are in the positive middle level of antenna, and the distance between branch 6 is 6.7mm, and the difference in height between branch 6 is 2.5mm, and the difference in length between branch 6 is 3.3mm, and branch 6 width is 0.3mm, and equal width feeder length is 178mm, and gradual change feeder length: 13mm, the minimum width of the gradual change feeder line is 1mm, and the width of the equal width feeder line is 4 mm.
Fig. 4 is a reflection coefficient of the present invention, fig. 5 is a peak gain and efficiency graph, and it can be seen from fig. 4 and fig. 5 that the impedance bandwidth (| S11| < -10dB) of the antenna is about 43.5%, the maximum gain is 11.0dBi, and the efficiency is stabilized at about 80%.
Fig. 6 to 8 show the radiation patterns of the present invention working at 9.0, 11.0 and 13.0GHz, and it can be seen that the antenna patterns are stable and the beams are fixed.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a fixed travelling wave antenna of broadband beam which characterized in that, includes upper metal sheet, dielectric plate, lower floor's metal sheet, feed probe, main feeder, 16 branches and 16 radiation patches, wherein:
the upper metal plate, the dielectric plate and the lower metal plate are strip-shaped plates, the upper metal plate is attached to the upper surface of the dielectric plate, and the lower metal plate is attached to the lower surface of the dielectric plate;
the middle of the dielectric slab is provided with a middle layer, the main feeder line, the 16 branches and the 16 radiation patches are arranged on the middle layer, the main feeder line is connected with the 16 branches at equal intervals, the 16 branches are connected with the 1 radiation patch, and the 16 branches have length difference;
a feed probe which is longitudinally arranged and penetrates through a medium is arranged at the initial position of the main feeder line;
the lengths of the upper metal plate, the lower metal plate and the dielectric plate are equal, the width of the dielectric plate is longer than the widths of the upper metal plate and the lower metal plate, the upper metal plate and the lower metal plate are aligned and attached along the long edge of one side of the dielectric plate, and the overlapped area of the upper metal plate, the lower metal plate and the dielectric plate is an overlapped area;
the main feed line and the 16 branches are located in the overlapping area at the position of the middle layer, and the 16 radiating patches are located outside the overlapping area at the position of the middle layer.
2. The wideband beam fixed traveling wave antenna according to claim 1, wherein the main feed line includes a tapered feed line and an equal width feed line, the tapered feed line is connected to the equal width feed line, the width of the tapered feed line increases linearly, and the width at the connection with the equal width feed line is equal to the width of the equal width feed line, the equal width feed line is connected to the 16 branches at equal intervals, and a longitudinally disposed feed probe penetrating through the medium is disposed where the width of the tapered feed line is the smallest.
3. The wideband beam fixed traveling wave antenna of claim 2, wherein the length of the tapered feed line is L4Mm, minimum width Wm1Mm, maximum width Wm2Millimeter, the width of the equal-width feed line is Wm2Mm, length L3And (4) millimeter.
4. The wideband beam fixed traveling wave antenna of claim 3, wherein the dielectric plate is a solid dielectric.
5. The wideband beam fixed traveling wave antenna according to claim 4, wherein the intermediate layer is located at an equal distance from the upper surface and the lower surface of the dielectric plate.
6. The wideband beam fixed traveling-wave antenna of claim 5, wherein the 16 branches comprise 15 branches
Type branch and 1
A branch type, one end of the 16 branches is connected with the main feeder line, theThe other ends of the 16 branches are connected to the radiating patches.
7. The fixed traveling-wave antenna for broadband beams according to claim 6, wherein one ends of said 16 branches are sequentially arranged at intervals of L mm, except for the last 1 branches
The other 15 branches
The length of one side of the type branch is increased by delta y mm in sequence, and the last one
The length of the type branch is equal to the other 15
The sum of the lengths of the two sides of the type branch except the middle side is equal; the 15 pieces
The length of the middle side of the type branch is reduced by DeltaL mm in turn, and the number of the middle sides of the type branch is 15
The longest length of the middle side of the profile branch is 15 al millimeters; the width of two sides of the 16 branches is WmAnd (4) millimeter.
8. The wideband beam fixed traveling wave antenna of claim 7, wherein the antenna is fabricated using printed circuit board technology.
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| CN202011600013.4A CN112768913B (en) | 2020-12-29 | 2020-12-29 | Broadband wave beam fixed traveling wave antenna |
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| CN202011600013.4A CN112768913B (en) | 2020-12-29 | 2020-12-29 | Broadband wave beam fixed traveling wave antenna |
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| CN112768913A CN112768913A (en) | 2021-05-07 |
| CN112768913B true CN112768913B (en) | 2022-03-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1133120A (en) * | 1978-05-22 | 1982-10-05 | Peter S. Hall | Stripline antennae with phase-shifting slotted strip |
| CN106450726A (en) * | 2016-10-14 | 2017-02-22 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Broadband slotted end-fire microstrip antenna |
| CN107394381A (en) * | 2017-07-18 | 2017-11-24 | 东南大学 | A kind of broadband circle polarized array antenna of low section using stacking travelling-wave aerial unit |
| CN209592305U (en) * | 2019-04-12 | 2019-11-05 | 云南大学 | A kind of ISGW circular polarisation gap traveling-wave array antenna |
| CN210326118U (en) * | 2019-10-16 | 2020-04-14 | 成都奥特为通讯有限公司 | Conformal low-profile dual-frequency WiFi antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5590504B2 (en) * | 2009-08-31 | 2014-09-17 | 日立化成株式会社 | Triplate line interlayer connector and planar array antenna |
| CN211957919U (en) * | 2020-05-25 | 2020-11-17 | 南京慧尔视智能科技有限公司 | 45-degree linear polarization low-sidelobe radar antenna |
-
2020
- 2020-12-29 CN CN202011600013.4A patent/CN112768913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1133120A (en) * | 1978-05-22 | 1982-10-05 | Peter S. Hall | Stripline antennae with phase-shifting slotted strip |
| CN106450726A (en) * | 2016-10-14 | 2017-02-22 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Broadband slotted end-fire microstrip antenna |
| CN107394381A (en) * | 2017-07-18 | 2017-11-24 | 东南大学 | A kind of broadband circle polarized array antenna of low section using stacking travelling-wave aerial unit |
| CN209592305U (en) * | 2019-04-12 | 2019-11-05 | 云南大学 | A kind of ISGW circular polarisation gap traveling-wave array antenna |
| CN210326118U (en) * | 2019-10-16 | 2020-04-14 | 成都奥特为通讯有限公司 | Conformal low-profile dual-frequency WiFi antenna |
Non-Patent Citations (3)
| Title |
|---|
| Arbitrary-angle squint-free beamforming in series-fed antenna arrays using non-foster elements synthesized by negative-group-delay networks;H. Mirzaei等;《 IEEE Transactions on Antennas and Propagation》;20150227;第63卷(第5期);全文 * |
| Printed Log-Periodic Monopole Array Antenna With a Simple Feeding Structure;Xiaoshuai Wei等;《 IEEE Antennas and Wireless Propagation Letters》;20171115;第17卷(第1期);全文 * |
| 宽角度频扫天线阵列研究与设计;葛平;《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》;20100815;全文 * |
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