CN114300837A - 5G unmanned aerial vehicle antenna - Google Patents
5G unmanned aerial vehicle antenna Download PDFInfo
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- CN114300837A CN114300837A CN202111658463.3A CN202111658463A CN114300837A CN 114300837 A CN114300837 A CN 114300837A CN 202111658463 A CN202111658463 A CN 202111658463A CN 114300837 A CN114300837 A CN 114300837A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 20
- 239000012212 insulator Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
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Abstract
The invention provides a 5G unmanned aerial vehicle antenna, which comprises four antenna units, a feed network unit and a transmission line, wherein: the antenna unit comprises a first dielectric plate, the upper layer and the lower layer of the first dielectric plate are respectively printed with radiation patches, one end of the first dielectric plate is provided with a bulge, and the other end of the first dielectric plate is provided with a feed end; the feed network unit comprises a second dielectric plate and a feed network, the feed network is arranged on the lower layer of the second dielectric plate, the center of the feed network is provided with a total feed port penetrating through the second dielectric plate, the upper layer of the second dielectric plate is coated with a copper layer, and the second dielectric plate is provided with a groove corresponding to the protrusion; and the transmission line is used for connecting the feed end of the antenna unit and the output end of the feed network unit. The invention is arranged at the bottom of the unmanned aerial vehicle, realizes the radiation of 360 degrees on the horizontal plane and the radiation of 120 degrees on the vertical plane, can improve the remote control distance, can also carry out the network data transmission with high speed, large bandwidth and low time delay, and has simple structure and convenient installation.
Description
Technical Field
The invention relates to the field of omnidirectional array antennas, in particular to a 5G unmanned aerial vehicle antenna.
Background
At present, the 2.4GHz monopole antenna is mostly used as the terminal antenna of the unmanned aerial vehicle, the antenna can realize 360-degree radiation on the horizontal plane, can realize higher beam width on the vertical plane, is a common omnidirectional antenna, and is mainly used for remote control, image transmission, data transmission and the like in the unmanned aerial vehicle. However, the antenna of the system determines that the antenna gain is not high, so that the remote control distance of the unmanned aerial vehicle is influenced, and the remote control distance is shorter in a severe environment; the 2.4GHz frequency prevents the unmanned aerial vehicle from performing wireless high-definition video transmission and large data packet transmission with large bandwidth and low time delay under severe conditions. Above these all make unmanned aerial vehicle can't effectively work under certain special environment, bring the difficulty for search and rescue, control etc..
Disclosure of Invention
The invention provides a 5G unmanned aerial vehicle antenna, which aims to solve the problems of low gain, low transmission distance and low bandwidth of an unmanned aerial vehicle communication antenna in the prior art. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
The technical scheme of the invention is realized as follows: A5G unmanned aerial vehicle antenna, includes four antenna element, feed network element and transmission line, wherein:
any antenna unit comprises a first dielectric plate, wherein the upper layer and the lower layer of the first dielectric plate are respectively provided with a radiation patch, the lower layer of the first dielectric plate is provided with a grounding point, one end of the first dielectric plate is provided with a bulge, and the other end of the first dielectric plate is provided with a feed end;
the feed network unit comprises a second dielectric plate and a feed network, the feed network is arranged on the lower layer of the second dielectric plate, the feed network is H-shaped and is provided with four output ends, the center of the feed network is provided with a main feed port penetrating through the second dielectric plate, the circumference of the main feed port is provided with an SMA interface penetrating through the second dielectric plate, the upper layer of the second dielectric plate is coated with a copper layer, the copper layer is provided with an isolation hole sleeved on the periphery of the main feed port, and the second dielectric plate is provided with a groove corresponding to the protrusion;
and the transmission line is used for connecting the feed end of the antenna unit and the output end of the feed network unit.
Preferably, the second dielectric plate is square and the feed network is arranged in the center of the lower layer of the second dielectric plate.
Preferably, the four output ends of the feed network are provided with output holes penetrating through the second dielectric plate for fixing the transmission line.
Preferably, the transmission line comprises a conductor, an insulator, a shielding net and a sheath, the conductor is wrapped in the insulator with the shielding net arranged outside, the sheath is arranged outside the shielding net, and the conductor, the insulator, the shielding net and the sheath are in stepped stripping distribution.
Preferably, when the transmission line is used for connecting the feed end of the antenna unit, the stripped conductor is used for welding the feed end of the antenna unit, the shielding mesh is used for welding the grounding point, and the sheath is tightly attached to the first dielectric plate.
Preferably, when the transmission line is used for connecting the output end of the feed network unit, the conductor passes through the output hole and is welded on the output end of the feed network, and the shielding mesh is welded on the upper layer of the second dielectric plate.
Preferably, the conductor is welded on the output end through a welding spot, and the shielding net is welded on the upper layer of the second medium plate through a welding spot.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
four identical 5G frequency band antenna units are enclosed into a hollow cuboid, 4 feed ends are positioned at the same port, the port faces outwards, the bottom of the feed end is vertically arranged on a flat plate H-shaped feed network, the feed ports of the four antennas are respectively connected with four output ports of the H-shaped feed network in a one-to-one correspondence mode through four radio frequency transmission lines, the two ends of each transmission line are stripped, namely, an inner conductor, a middle insulator, an outer shielding net and an outermost layer sheath are distributed in a step shape, the feed of the whole array antenna is completed, and a total feed port is positioned at the geometric center point of the H-shaped feed network, so that the installation and the operation are convenient; just so form a to week antenna array to install it in unmanned aerial vehicle's bottom, realize in 360 radiations of horizontal plane, vertical 120 radiations, both can promote the remote control distance, can carry out the network data transmission of high speed, big bandwidth, low time delay again, and simple structure, simple to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating the structure of an antenna unit according to an exemplary embodiment;
fig. 2 is a schematic structural diagram of an H-type feed network element shown according to an exemplary embodiment;
fig. 3 is a schematic structural diagram of an upper layer of an H-type feed network element shown according to an exemplary embodiment;
fig. 4 is a schematic diagram showing a combination of an H-feed network element and an antenna element according to an exemplary embodiment;
fig. 5 is a schematic diagram illustrating an overall structure of a 5G drone antenna according to an exemplary embodiment;
FIG. 6 is a side view illustrating the connection of a transmission line to an antenna element in accordance with an exemplary embodiment;
fig. 7 is a side view of a transmission line shown connected to an H-feed network element according to an exemplary embodiment.
In the figure: 1. the antenna comprises a first dielectric plate, a second dielectric plate, a first radiating patch, a second radiating patch, a first feed network, a second feed network, a third feed network, a fourth feed network, a fifth feed network, a sixth feed network, a fifth feed network, a sixth feed network, a fifth feed network, a sixth feed network, a fourth feed network, a sheath, a fourth feed network, a fourth and a fourth feed network, a fourth and a fourth feed network.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1-7 show an alternative embodiment of the 5G drone antenna of the present invention.
In this optional embodiment, the 5G drone antenna includes four antenna units, a feed network unit, and a transmission line, where:
any antenna unit, as shown in the body 1, comprises a first dielectric plate 1, wherein the upper layer and the lower layer of the first dielectric plate 1 are respectively provided with a radiation patch 2, the lower layer of the first dielectric plate 1 is provided with a grounding point 16, one end of the first dielectric plate 1 is provided with a bulge 3, and the other end of the first dielectric plate 1 is provided with a feed end;
a feed network unit, as shown in fig. 2-3, including a second dielectric plate 4 and a feed network 5, where the feed network 5 is disposed on a lower layer of the second dielectric plate 4, the feed network 5 is H-shaped and has four output ends, a total feed port 9 penetrating through the second dielectric plate 4 is disposed in the center of the feed network 5, an SMA interface 8 penetrating through the second dielectric plate 4 is circumferentially disposed on the total feed port 9 for inserting an SMA connector from below, a copper layer is coated on an upper layer of the second dielectric plate 4, and an isolation hole 10 sleeved on the periphery of the total feed port 9 is disposed on the copper layer for isolating the total feed port 9 from the surrounding copper, so as to prevent the SMA connector for feeding from being short-circuited with the ground after being inserted from the lower layer of the second dielectric plate 4.
A groove 7 corresponding to the protrusion 3 is arranged on the second medium plate 4;
and the transmission line is used for connecting the feed end of the antenna unit and the output end of the feed network unit.
The second dielectric plate 4 is square and the feed network 5 is arranged at the center of the lower layer of the second dielectric plate 4.
And four output ends of the feed network 5 are provided with output holes 6 penetrating through the second dielectric plate 4 for fixing the transmission lines.
The transmission line comprises a conductor 11, an insulator 12, a shielding net 13 and a sheath 14, wherein the conductor 11 is wrapped in the insulator 12 externally provided with the shielding net 13, the sheath 14 is arranged outside the shielding net 13, and the conductor 11, the insulator 12, the shielding net 13 and the sheath 14 are in stepped stripping distribution.
As shown in fig. 4, when the feed network unit is combined with the antenna unit, one antenna is used as a row, the protrusions 3 on the first dielectric plate 1 are respectively inserted into the grooves 7 on the second dielectric plate 4, the combined shape is as shown in fig. 5, 4 pairs of peripheral antennas form a hollow cuboid, the feed ends of the peripheral antennas face outwards, the bottom of the peripheral antennas are inserted into the ground of a straight plate H-shaped feed network with through holes, the feed ends of the antennas are connected with the output end of the lower layer of the H-shaped feed network through 4 radio frequency transmission lines, the overall feed point of the antenna is provided by the geometric center of the H-shaped feed network, so that an array antenna is formed, the antenna has 360-degree radiation in the horizontal plane and 120-degree radiation in the vertical plane, the remote control distance of the unmanned aerial vehicle can be increased, and network transmission with high speed, large bandwidth and low time delay is obtained.
As shown in fig. 6, when the transmission line is used to connect the feeding end of the antenna unit, the feeding end is provided with a feeding point 15, the stripped conductor 11 is used to weld the feeding point 15 of the antenna unit, the insulator 12 is stripped to prevent the conductor 11 from touching the grounding point 16 of the antenna, the shielding mesh 13 is used to weld the grounding point 16, and the sheath 14 is tightly attached to the first dielectric plate 1.
When the transmission line is used to connect the output terminals of the feeding network unit, as shown in fig. 7, the conductor 11 is welded to the output terminal of the feeding network 5 through the output hole 6, and the shielding mesh 13 is welded to the upper layer of the second dielectric plate 4.
The conductor 11 is welded to the output terminal by a first welding spot 17 and the shielding mesh 13 is welded to the upper layer of the second dielectric plate 4 by a second welding spot 18.
Therefore, the feed end of the antenna can be connected with the output end of the feed network, and the grounding point of the antenna is connected with the ground of the feed network to form a complete array antenna.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a 5G unmanned aerial vehicle antenna which characterized in that, includes four antenna element, feed network element and transmission line, wherein:
any antenna unit comprises a first dielectric plate, wherein the upper layer and the lower layer of the first dielectric plate are respectively printed with a radiation patch, the lower layer of the first dielectric plate is provided with a grounding point, one end of the first dielectric plate is provided with a bulge, and the other end of the first dielectric plate is provided with a feed end;
the feed network unit comprises a second dielectric plate and a feed network, the feed network is arranged on the lower layer of the second dielectric plate, the feed network is H-shaped and is provided with four output ends, the center of the feed network is provided with a main feed port penetrating through the second dielectric plate, the circumference of the main feed port is provided with an SMA interface penetrating through the second dielectric plate, the upper layer of the second dielectric plate is coated with a copper layer, the copper layer is provided with an isolation hole sleeved on the periphery of the main feed port, and the second dielectric plate is provided with a groove corresponding to the protrusion;
and the transmission line is used for connecting the feed end of the antenna unit and the output end of the feed network unit.
2. The antenna of claim 1, wherein the antenna of the 5G drone,
the second dielectric plate is square and the feed network is arranged in the center of the lower layer of the second dielectric plate.
3. The antenna of claim 1, wherein the antenna of the 5G drone,
and four output ends of the feed network are provided with output holes penetrating through the second dielectric plate and used for fixing the transmission lines.
4. The antenna of claim 1, wherein the antenna of the 5G drone,
the transmission line comprises a conductor, an insulator, a shielding net and a sheath, wherein the conductor is wrapped in the insulator, the shielding net is arranged outside the insulator, the sheath is arranged outside the shielding net, and the conductor, the insulator, the shielding net and the sheath are in stepped stripping distribution.
5. A5G drone antenna according to claim 4,
when the transmission line is used for connecting the feed end of the antenna unit, the stripped conductor is used for welding the feed end of the antenna unit, the shielding net is used for welding the grounding point, and the sheath is tightly attached to the first dielectric plate.
6. A5G drone antenna according to claim 4,
when the transmission line is used for connecting the output end of the feed network unit, the conductor penetrates through the output hole and is welded on the output end of the feed network, and the shielding net is welded on the upper layer of the second dielectric plate.
7. A5G drone antenna according to claim 6, characterised in that the conductors are soldered to the output terminals by means of solder, and the screen mesh is soldered to the upper layer of the second dielectric plate by means of solder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658463.3A CN114300837B (en) | 2021-12-30 | 2021-12-30 | 5G unmanned aerial vehicle antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658463.3A CN114300837B (en) | 2021-12-30 | 2021-12-30 | 5G unmanned aerial vehicle antenna |
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| Publication Number | Publication Date |
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| CN114300837A true CN114300837A (en) | 2022-04-08 |
| CN114300837B CN114300837B (en) | 2024-02-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606743A (en) * | 2013-10-25 | 2014-02-26 | 深圳市摩天射频技术有限公司 | Circularly-polarized wideband antenna |
| WO2017031980A1 (en) * | 2015-08-21 | 2017-03-02 | 华为技术有限公司 | Microwave/millimeter-wave dual-band antenna |
| US20210021046A1 (en) * | 2018-03-21 | 2021-01-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Folded Antenna |
| CN112736430A (en) * | 2020-12-24 | 2021-04-30 | 杭州电子科技大学 | Broadband wide-beam unmanned aerial vehicle navigation antenna |
| CN113131178A (en) * | 2019-12-30 | 2021-07-16 | 杭州海康威视数字技术股份有限公司 | Direction-finding antenna, direction-finding antenna system and electronic equipment |
-
2021
- 2021-12-30 CN CN202111658463.3A patent/CN114300837B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606743A (en) * | 2013-10-25 | 2014-02-26 | 深圳市摩天射频技术有限公司 | Circularly-polarized wideband antenna |
| WO2017031980A1 (en) * | 2015-08-21 | 2017-03-02 | 华为技术有限公司 | Microwave/millimeter-wave dual-band antenna |
| US20210021046A1 (en) * | 2018-03-21 | 2021-01-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Folded Antenna |
| CN113131178A (en) * | 2019-12-30 | 2021-07-16 | 杭州海康威视数字技术股份有限公司 | Direction-finding antenna, direction-finding antenna system and electronic equipment |
| CN112736430A (en) * | 2020-12-24 | 2021-04-30 | 杭州电子科技大学 | Broadband wide-beam unmanned aerial vehicle navigation antenna |
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| CN114300837B (en) | 2024-02-02 |
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