CN114300837B - 5G unmanned aerial vehicle antenna - Google Patents
5G unmanned aerial vehicle antenna Download PDFInfo
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- CN114300837B CN114300837B CN202111658463.3A CN202111658463A CN114300837B CN 114300837 B CN114300837 B CN 114300837B CN 202111658463 A CN202111658463 A CN 202111658463A CN 114300837 B CN114300837 B CN 114300837B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 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 21
- 239000012212 insulator Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 8
- 229910000679 solder Inorganic materials 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 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, wherein 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 at 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 bulge; 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 360-degree radiation on the horizontal plane and 120-degree radiation on the vertical plane, can not only improve the remote control distance, but also can perform 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 omni-directional array antennas, in particular to a 5G unmanned aerial vehicle antenna.
Background
At present, most of unmanned aerial vehicle terminal antennas use monopole antennas of 2.4GHz, and the antenna can realize 360 degrees radiation on the horizontal plane, can realize higher wave beam width on the vertical plane, is a comparatively common omnidirectional antenna, and is mainly used for remote control, image transmission, data transmission and the like in unmanned aerial vehicles. However, the antenna of the system determines that the gain of the antenna is not high, so that the remote control distance of the unmanned aerial vehicle is affected, and the remote control distance is shorter in a severe environment; the frequency of 2.4GHz makes unmanned aerial vehicle unable to carry out wireless high definition video transmission and big data packet transmission of big bandwidth and low time delay under adverse condition. The unmanned aerial vehicle can not effectively work under certain special environments, and difficulties are brought to search and rescue, monitoring and the like.
Disclosure of Invention
The invention provides a 5G unmanned aerial vehicle antenna, which solves the problems of low gain, low transmission distance and low bandwidth of unmanned aerial vehicle communication antennas 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: the utility model provides a 5G unmanned aerial vehicle antenna, includes four antenna element, feed network unit 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, wherein the feed network is arranged at 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 total feed port penetrating through the second dielectric plate, the total feed port is circumferentially 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 at the periphery of the total 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 at the center of the lower layer of the second dielectric plate.
Preferably, four output ends of the feed network are respectively provided with an output hole 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, wherein the conductor is wrapped in the insulator with the shielding net outside, the sheath is arranged outside the shielding net, and the conductor, the insulator, the shielding net and the sheath are in ladder-shaped 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 net 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 network is welded on the upper layer of the second dielectric plate.
Preferably, the conductor is soldered to the output terminal by solder joints, and the shielding mesh is soldered to the upper layer of the second dielectric plate by solder joints.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the invention encloses four identical 5G frequency band antenna units into a hollow cuboid form, 4 feed ends are positioned at the same port, the port is outwards arranged, the bottom is vertically arranged on a flat-plate H-shaped feed network, the feed ends of the four antennas are respectively connected with four output ports of the H-shaped feed network in a one-to-one correspondence manner through four radio frequency transmission lines, the two ends of each transmission line are required to be stripped, namely, an inner conductor, an intermediate insulator, an outer shielding network and an outermost sheath are distributed in a step shape, the feed of the whole array antenna is completed, and the 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; therefore, a pair Zhou Tianxian array is formed and is arranged at the bottom of the unmanned aerial vehicle, 360-degree radiation on the horizontal plane and 120-degree radiation on the vertical plane are realized, the remote control distance can be increased, network data transmission with high speed, large bandwidth and low time delay can be performed, and the unmanned aerial vehicle is simple in structure and convenient to install.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a structure of an antenna unit shown according to an exemplary embodiment;
fig. 2 is a schematic diagram of an H-type feed network unit shown according to an exemplary embodiment;
fig. 3 is a schematic diagram of the structure of an upper layer of an H-type feed network unit according to an exemplary embodiment;
fig. 4 is a schematic diagram showing a combination of an H-shaped feed network unit and an antenna unit according to an exemplary embodiment;
fig. 5 is a schematic diagram of the overall structure of a 5G drone antenna, shown according to an example embodiment;
fig. 6 is a side view of a transmission line coupled to an antenna element, according to an exemplary embodiment;
fig. 7 is a side view of a transmission line connected to an H-type feed network unit, according to an example embodiment.
In the figure: 1. the antenna comprises a first dielectric plate, 2, a radiation patch, 3, a protrusion, 4, a second dielectric plate, 5, a feed network, 6, an output hole, 7, a groove, 8, an SMA interface, 9, a main feed port, 10, an isolation hole, 11, a conductor, 12, an insulator, 13, a shielding net, 14, a sheath, 15, a feed point, 16, a grounding point, 17, a first welding point, 18 and a second welding point.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An alternative embodiment of the 5G drone antenna of the present invention is shown in fig. 1-7.
In this alternative embodiment, the 5G unmanned aerial vehicle antenna includes four antenna units, a feed network unit, and a transmission line, wherein:
any antenna unit, as shown in a 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 is provided with a feed end;
the feed network unit, as shown in fig. 2-3, includes a second dielectric plate 4 and a feed network 5, where the feed network 5 is disposed at a lower layer of the second dielectric plate 4, the feed network 5 is H-shaped and is provided with four output ends, a total feed port 9 penetrating through the second dielectric plate 4 is disposed at a center of the feed network 5, an SMA interface 8 penetrating through the second dielectric plate 4 is circumferentially disposed at the total feed port 9, for inserting an SMA connector from below, a copper layer is coated at an upper layer of the second dielectric plate 4, and an isolation hole 10 sleeved at a periphery of the total feed port 9 is disposed on the copper layer, for isolating the total feed port 9 from surrounding copper, and preventing the SMA connector for feeding from being short-circuited with ground after being inserted from a lower layer of the second dielectric plate 4.
The second dielectric plate 4 is provided with a groove 7 corresponding to the protrusion 3;
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 in the center of the lower layer of the second dielectric plate 4.
The four output ends of the feed network 5 are respectively provided with an output hole 6 penetrating through the second dielectric plate 4 for fixing a transmission line.
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 with the shielding net 13 outside, 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 ladder-shaped stripping distribution.
When the feed network unit is combined with the antenna unit, one antenna is taken 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 Zhou Tianxian are enclosed to form a hollow cuboid, the feed end of Zhou Tianxian faces outwards, the bottom is inserted on the ground of the straight H-shaped feed network with a through hole, the feed end of the antenna is 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 array antenna has 360-degree radiation on the horizontal plane and 120-degree radiation on the vertical plane, the remote control distance of the unmanned aerial vehicle can be improved, 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 for connecting the feeding end of the antenna unit, the feeding end is provided with a feeding point 15, the stripped conductor 11 is used for welding the feeding point 15 of the antenna unit, the insulator 12 is stripped to form a part for preventing the conductor 11 from touching the grounding point 16 of the antenna, the shielding net 13 is used for welding the grounding point 16, and the sheath 14 is closely attached to the first dielectric plate 1.
As shown in fig. 7, when the transmission line is used to connect the output end of the feed network unit, the conductor 11 is soldered to the output end of the feed network 5 through the output hole 6, and the shielding net 13 is soldered to the upper layer of the second dielectric plate 4.
The conductor 11 is soldered to the output via a first solder joint 17 and the shielding mesh 13 is soldered to the upper layer of the second dielectric plate 4 via a second solder joint 18.
In this way, the feed end of the antenna is connected to the output end of the feed network, and the ground point of the antenna is connected to the ground of the feed network, thereby forming a complete array antenna.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The utility model provides a 5G unmanned aerial vehicle antenna which characterized in that includes four antenna element, feed network unit 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, wherein the feed network is arranged at 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 total feed port penetrating through the second dielectric plate, the total feed port is circumferentially 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 at the periphery of the total feed port, and the second dielectric plate is provided with a groove corresponding to the protrusion; four identical 5G frequency band antenna units are enclosed into a hollow cuboid form;
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. A5G unmanned aerial vehicle antenna according to claim 1, wherein,
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. A5G unmanned aerial vehicle antenna according to claim 1, wherein,
and four output ends of the feed network are respectively provided with an output hole penetrating through the second dielectric plate and used for fixing the transmission line.
4. A5G unmanned aerial vehicle antenna according to claim 3,
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 ladder-shaped stripping distribution.
5. A5G unmanned aerial vehicle antenna according to claim 4, wherein,
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 unmanned aerial vehicle antenna according to claim 4, wherein,
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 network is welded on the upper layer of the second dielectric plate.
7. A 5G drone antenna according to claim 6, wherein the conductors are soldered to the output by solder joints and the shield mesh is soldered to the upper layer of the second dielectric plate by solder joints.
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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| CN114300837A CN114300837A (en) | 2022-04-08 |
| CN114300837B true CN114300837B (en) | 2024-02-02 |
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Citations (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3769367A4 (en) * | 2018-03-21 | 2021-11-03 | Telefonaktiebolaget LM Ericsson (publ) | Folded antenna |
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- 2021-12-30 CN CN202111658463.3A patent/CN114300837B/en active Active
Patent Citations (4)
| 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 |
| 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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