CN205376749U - Unmanned aerial vehicle high -gain multielement antenna - Google Patents
Unmanned aerial vehicle high -gain multielement antenna Download PDFInfo
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- CN205376749U CN205376749U CN201620011568.8U CN201620011568U CN205376749U CN 205376749 U CN205376749 U CN 205376749U CN 201620011568 U CN201620011568 U CN 201620011568U CN 205376749 U CN205376749 U CN 205376749U
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Abstract
The utility model provides an unmanned aerial vehicle high -gain multielement antenna, belongs to wireless communication technology field. Which comprises a substrate, the base plate is equipped with the feed interface at a side surface, the harmonious module of connecting wire and impedance, a radiating element, the 2nd radiating element, the 3rd radiating element, fourth radiating element, the 5th radiating element, the 6th radiating element, the 7th radiating element and the 8th radiating element, each radiating element is jointly through connecting wire and harmonious module of impedance and feed electrical connection interface, the base plate is equipped with microstrip ba lun on the opposite side surface, the 9th radiating element, the tenth radiating element, the 11 radiating element, the 12 radiating element, the intermediate junction line, the 13 radiating element, the 14 radiating element, the 15 radiating element and the 16 radiating element, each radiating element is connected through intermediate junction line and microstrip ba lun electricity jointly. The advantage: support two wifi frequency channels of 2.4GHz and 5GHz, antenna gain is high, and the radiation characteristic of qxcomm technology.
Description
Technical field
This utility model belongs to wireless communication technology field, is specifically related to a kind of unmanned plane high-gain multi-element antenna, can cover the external pcb board antenna of Wifi2.4G and Wifi5G frequency range simultaneously.
Background technology
Unmanned plane is the abbreviation of UAV, and english abbreviation is " UAV ", and its use occasion is increasingly extensive, can be not only used for battlefield surveillance, and the military field such as give warning in advance, and also has broad application prospects at civil area.The radio transmission performance of unmanned plane antenna directly affects flight control, image transmitting quality and image transmitting stability.Being currently used for the technology that internet wireless accesses and be mainly Wifi, it is owing to having the transfer rate of bigger coverage and Geng Gao, it has also become the main flow of current moving communicating field.The quality of Wifi communication, signal cover etc. are most important to unmanned plane safe flight.
Along with developing rapidly of radio communication service, the colony of various communication users also increases sharply, cause multiband multi-system wireless communication system and deposit.The groundwork frequency range of current radio communication all concentrates on 2.4GHz frequency range (2.4～2.5GHz) and 5GHz frequency range (5.15～5.85GHz), and for the omnidirectional antenna of the two frequency range also all based on one-segment, for single communication system network, different communication networks needs different antennas, causes the wasting of resources.Existing dual-band antenna, due to the problem of structure, interferes between two frequency ranges, is difficulty with the good omni-directional of two-band, and physical dimension is relatively big, and cabling is complicated, and loss is big, and restriction antenna does not reach significantly high gain.In recent years, unmanned air vehicle technique is constantly upgraded, range of activity progressively expands, design hence for its antenna it is also proposed increasingly harsher requirement, as required there is two-band, coupling well, signal cover is wide and simple in construction, the feature that volume is little, and the high-gain aerial with Wifi will become the main trend of unmanned plane equipment.For this, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The purpose of this utility model is in that to provide a kind of unmanned plane high-gain multi-element antenna, can receive the wireless signal of two-band to tackle large-area Wifi signal cover.
nullThe purpose of this utility model is such to reach，A kind of unmanned plane high-gain multi-element antenna，It is characterized in that: include substrate，Described substrate is provided with feeding interface at a side surface、Connecting line and impedance-tumed module、First radiating doublet、Second radiating doublet、3rd radiating doublet、4th radiating doublet、5th radiating doublet、6th radiating doublet、7th radiating doublet and the 8th radiating doublet，The first described radiating doublet and the 3rd radiating doublet are arranged on the bottom in substrate height direction and are distributed axisymmetricly，The second described radiating doublet and the 4th radiating doublet are separately positioned on the top of the first radiating doublet and the 3rd radiating doublet and are distributed axisymmetricly equally，The 6th described radiating doublet and the 8th radiating doublet are arranged on the top in substrate height direction and are distributed axisymmetricly，The 5th described radiating doublet and the 7th radiating doublet are separately positioned on the lower section of the 6th radiating doublet and the 8th radiating doublet and are distributed axisymmetricly equally，First radiating doublet、Second radiating doublet、3rd radiating doublet、4th radiating doublet、5th radiating doublet、6th radiating doublet、7th radiating doublet and the 8th radiating doublet electrically connect with feeding interface commonly through connecting line and impedance-tumed module，Substrate is provided with microstrip balun on opposite side surface、9th radiating doublet、Tenth radiating doublet、11st radiating doublet、12nd radiating doublet、Intermediate connections、13rd radiating doublet、14th radiating doublet、15th radiating doublet and the 16th radiating doublet，The 9th described radiating doublet and the 11st radiating doublet are arranged on the middle and lower part in substrate height direction and are distributed axisymmetricly，The tenth described radiating doublet and the 12nd radiating doublet are separately positioned on the top of the 9th radiating doublet and the 11st radiating doublet and are distributed axisymmetricly equally，The 14th described radiating doublet and the 16th radiating doublet are arranged on the middle and upper part in substrate height direction and are distributed axisymmetricly，The 13rd described radiating doublet and the 15th radiating doublet are separately positioned on the lower section of the 14th radiating doublet and the 16th radiating doublet and are distributed axisymmetricly equally，9th radiating doublet、Tenth radiating doublet、11st radiating doublet、12nd radiating doublet、13rd radiating doublet、14th radiating doublet、15th radiating doublet and the 16th radiating doublet electrically connect with microstrip balun commonly through described intermediate connections.
In a specific embodiment of the present utility model, the shape approximating square of described feeding interface and microstrip balun, feeding interface is connected terminal unit radiofrequency signal mouth with microstrip balun by radio frequency coaxial-cable.
In another specific embodiment of the present utility model, described the first radiating doublet, the 3rd radiating doublet, the 6th radiating doublet, the 8th radiating doublet, the tenth radiating doublet, the 12nd radiating doublet, the 13rd radiating doublet and the 15th radiating doublet are long radiating doublet；Described the second radiating doublet, the 4th radiating doublet, the 5th radiating doublet, the 7th radiating doublet, the 9th radiating doublet, the 11st radiating doublet, the 14th radiating doublet and the 16th radiating doublet are short radiating doublet.
In another specific embodiment of the present utility model, 1/4th operation wavelengths that total length is 2.4GHz～2.5GHz resonant frequency of described the first radiating doublet, the 3rd radiating doublet, the 6th radiating doublet, the 8th radiating doublet, the tenth radiating doublet, the 12nd radiating doublet, the 13rd radiating doublet and the 15th radiating doublet；/ 4th operation wavelengths that total length is 5.15GHz～5.85GHz resonant frequency of described the second radiating doublet, the 4th radiating doublet, the 5th radiating doublet, the 7th radiating doublet, the 9th radiating doublet, the 11st radiating doublet, the 14th radiating doublet and the 16th radiating doublet.
In another specific embodiment of the present utility model, the shape of cross section of described the first radiating doublet, the 3rd radiating doublet, the 6th radiating doublet, the 8th radiating doublet, the tenth radiating doublet, the 12nd radiating doublet, the 13rd radiating doublet and the 15th radiating doublet is stepped；The shape of cross section of described the second radiating doublet, the 4th radiating doublet, the 5th radiating doublet, the 7th radiating doublet, the 9th radiating doublet, the 11st radiating doublet, the 14th radiating doublet and the 16th radiating doublet is in longitudinal vertical bar shape.
Also having in a specific embodiment of the present utility model, described substrate offers the first through hole in the position corresponding to feeding interface, for making the signal feed in coaxial cable be welded to feeding interface through substrate.
Of the present utility model more and in a specific embodiment, described connecting line and impedance-tumed module include connecting line and impedance-tumed module, the quantity of described impedance-tumed module be one and more than, arrange along the short transverse interval of connecting line respectively.
In an of the present utility model and then specific embodiment, described connecting line is identical with intermediate connections length.
Of the present utility model again more and in a specific embodiment, described substrate adopts the pcb board of resistance to combustion of FR4 level.
This utility model is owing to have employed said structure, compared with prior art, has the beneficial effect that support two Wifi frequency ranges of 2.4GHz and 5GHz, and its frequency range is 2.4GHz～2.5GHz in low-frequency range, is 5.15GHz～5.85GHz at high band；Multiple radiating doublet combineds effect, can be greatly improved antenna gain, reduce production cost while realizing superior electrical performance；Each radiating doublet in substrate both side surface is coaxial being symmetrical arranged, and makes antenna meet omnidirectional radiation characteristic；Microstrip balun imbalance feed is utilized to be capable of antenna wideband operation characteristic；Adopting flame resistant material as antenna carrier, simple in construction, volume are little, cost is low, meet batch production concordance and safety.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model one embodiment.
Fig. 2 is the rearview of this utility model one embodiment.
Fig. 3 is the assembling schematic diagram of this utility model one embodiment and coaxial cable.
Fig. 4 is the characteristic of VSWR figure of this utility model one embodiment.
In figure: 1. substrate；2. feeding interface；3. the first through hole；4. connecting line and impedance-tumed module；5. the first radiating doublet；6. the second radiating doublet；7. the 3rd radiating doublet；8. the 4th radiating doublet；9. the 5th radiating doublet；10. the 6th radiating doublet；11. the 7th radiating doublet；12. the 8th radiating doublet；13. microstrip balun；14. the 9th radiating doublet；15. the tenth radiating doublet；16. the 11st radiating doublet；17. the 12nd radiating doublet；18. intermediate connections；19. the 13rd radiating doublet；20. the 14th radiating doublet；21. the 15th radiating doublet；22. the 16th radiating doublet；23. the second through hole；24. third through-hole；25. connecting line；26. impedance-tumed module.
Detailed description of the invention
In order to make the public can be fully understood by technical spirit of the present utility model and beneficial effect; detailed description of the invention of the present utility model will be described in detail by applicant below in conjunction with accompanying drawing; but the description of embodiment is not the restriction to technical scheme by applicant, any changing in the form rather than substance according to this utility model design all should be considered as protection domain of the present utility model.In description of the present utility model, it will be appreciated that, the orientation of the instruction such as term " " on ", D score, "front", "rear", "left", "right", " level " or position relationship are for based on position relationship shown in accompanying drawing; be easy to describe this utility model and simplifying and describe; rather than instruction or imply have specific orientation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " etc. are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.
Referring to Fig. 1, a kind of unmanned plane high-gain multi-element antenna, including substrate 1, in the present embodiment, described substrate 1 adopts the pcb board of resistance to combustion of FR4 level, is preferably dimensioned to be 109mm*14.5mm*0.6mm.Described substrate 1 is provided with feeding interface 2, connecting line and impedance-tumed module the 4, first radiating doublet the 5, second radiating doublet the 6, the 3rd radiating doublet the 7, the 4th radiating doublet the 8, the 5th radiating doublet the 9, the 6th radiating doublet the 10, the 7th radiating doublet 11 and the 8th radiating doublet 12 at a side surface.The first described radiating doublet 5 and the 3rd radiating doublet 7 are arranged on the bottom of substrate 1 short transverse and are distributed axisymmetricly；The second described radiating doublet 6 and the 4th radiating doublet 8 are arranged on the top of the first radiating doublet 5 and the 3rd radiating doublet 7 and are distributed axisymmetricly equally.First radiating doublet the 5, second radiating doublet the 6, the 3rd radiating doublet 7 and the 4th radiating doublet 8 constitute first group of radiating doublet.The 6th described radiating doublet 10 and the 8th radiating doublet 12 are arranged on the top of substrate 1 short transverse and are distributed axisymmetricly；The 5th described radiating doublet 9 and the 7th radiating doublet 11 are separately positioned on the lower section of the 6th radiating doublet 10 and the 8th radiating doublet 12 and are distributed axisymmetricly equally.5th radiating doublet the 9, the 6th radiating doublet the 10, the 7th radiating doublet 11 and the 8th radiating doublet 12 constitute second group of radiating doublet.First radiating doublet the 5, second radiating doublet the 6, the 3rd radiating doublet the 7, the 4th radiating doublet the 8, the 5th radiating doublet the 9, the 6th radiating doublet the 10, the 7th radiating doublet 11 and the 8th radiating doublet 12 electrically connect with feeding interface 2 commonly through connecting line and impedance-tumed module 4.At this side surface, using connecting line and impedance-tumed module 4 as central shaft, the first radiating doublet 5 and the 3rd radiating doublet the 7, second radiating doublet 6 and the 4th radiating doublet the 8, the 5th radiating doublet 9 and the 7th radiating doublet 11 and the 6th radiating doublet 10 and the 8th radiating doublet 12 relative to connecting line and impedance-tumed module 4 in coaxial arrangement.
Referring to Fig. 2, described substrate 1 is provided with microstrip balun the 13, the 9th radiating doublet the 14, the tenth radiating doublet the 15, the 11st radiating doublet the 16, the 12nd radiating doublet 17, intermediate connections the 18, the 13rd radiating doublet the 19, the 14th radiating doublet the 20, the 15th radiating doublet the 21 and the 16th radiating doublet 22 on opposite side surface.The 9th described radiating doublet the 14 and the 11st radiating doublet 16 is arranged on the middle and lower part of substrate 1 short transverse and is distributed axisymmetricly；The tenth described radiating doublet the 15 and the 12nd radiating doublet 17 is separately positioned on the top of the 9th radiating doublet the 14 and the 11st radiating doublet 16 and is distributed axisymmetricly equally.9th radiating doublet the 14, the tenth radiating doublet the 15, the 11st radiating doublet the 16 and the 12nd radiating doublet 17 constitutes the 3rd group of radiating doublet.The 14th described radiating doublet the 20 and the 16th radiating doublet 22 is arranged on the middle and upper part of substrate 1 short transverse and is distributed axisymmetricly；The 13rd described radiating doublet the 19 and the 15th radiating doublet 21 is separately positioned on the lower section of the 14th radiating doublet the 20 and the 16th radiating doublet 22 and is distributed axisymmetricly equally.13rd radiating doublet the 19, the 14th radiating doublet the 20, the 15th radiating doublet the 21 and the 16th radiating doublet 22 constitutes the 4th group of radiating doublet.9th radiating doublet the 14, the tenth radiating doublet the 15, the 11st radiating doublet the 16, the 12nd radiating doublet the 17, the 13rd radiating doublet the 19, the 14th radiating doublet the 20, the 15th radiating doublet the 21 and the 16th radiating doublet 22 electrically connects with microstrip balun 13 commonly through described intermediate connections 18.At this side surface, using intermediate connections 18 as central shaft, the 9th radiating doublet 14 and the 11st radiating doublet the 16, the tenth radiating doublet 15 and the 12nd radiating doublet the 17, the 13rd radiating doublet 19 and the 15th radiating doublet the 21 and the 14th radiating doublet 20 and the 16th radiating doublet 22 relative to intermediate connections 18 in coaxial arrangement.
Please continue to refer to Fig. 1 and Fig. 2, described feeding interface 2 and the shape approximating square of microstrip balun 13, feeding interface 2 is feed pad, and microstrip balun 13 includes cable establishment pad.Feeding interface 2 is connected terminal unit radiofrequency signal mouth with microstrip balun 13 by radio frequency coaxial-cable.Connect radio frequency coaxial-cable by microstrip balun 13, coaxial line unbalanced construction can be converted into balanced structure.Substrate 1 offers the first through hole 3 in the position corresponding to feeding interface 2, first through hole 3 is preferably dimensioned to be 0.8mm*1.4mm, the assembling schematic diagram of substrate 1 and coaxial cable is illustrated for making the signal feed in coaxial cable be welded to feeding interface 2, Fig. 3 through substrate 1.Substrate 1 is also at the top of short transverse and centrally located offer the second through hole 23, and offers third through-hole 24 in the position of the bottom of short transverse and corresponding second through hole 23.Second through hole 23 is put with third through-hole 24 one-tenth symmetry, on the electric property of antenna without impact.Coaxial cable, for coaxial cable traverse, is played fixation, is advantageously implemented the electric property concordance of antenna volume production by third through-hole 24.
In the present embodiment, the first described radiating doublet the 5, the 3rd radiating doublet the 7, the 6th radiating doublet the 10, the 8th radiating doublet the 12, the tenth radiating doublet the 15, the 12nd radiating doublet the 17, the 13rd radiating doublet the 19 and the 15th radiating doublet 21 is long radiating doublet, include a long Department of Radiation and a short Department of Radiation respectively, described long Department of Radiation and short Department of Radiation all connect in longitudinal vertical bar shape, one end of long Department of Radiation and one end of short Department of Radiation and both extend towards rightabout and make cross section be stepped.Herein, the width dimensions of long Department of Radiation is preferably 1.5mm, and the width dimensions of short Department of Radiation is preferably 2.6mm./ 4th operation wavelengths that total length is 2.4GHz～2.5GHz resonant frequency of each long radiating doublet；The second described radiating doublet the 6, the 4th radiating doublet the 8, the 5th radiating doublet the 9, the 7th radiating doublet the 11, the 9th radiating doublet the 14, the 11st radiating doublet the 16, the 14th radiating doublet the 20 and the 16th radiating doublet 22 is short radiating doublet, the cross section of each short radiating doublet is all in longitudinal vertical bar shape, and width dimensions is preferably 1.5mm herein./ 4th operation wavelengths that total length is 5.15GHz～5.85GHz resonant frequency of each short radiating doublet.Change the adjustable in length resonant frequency of each radiating doublet.Described connecting line and impedance-tumed module 4 include connecting line 25 and impedance-tumed module 26.The effect of described impedance-tumed module 26 is tuned antenna impedance, and its quantity and size can be adjusted as required.In the present embodiment, the quantity of described impedance-tumed module 26 is three, arranges along the short transverse interval of connecting line 25 respectively, and top-down size is followed successively by 13mm*3.2mm, 2.6mm*2mm and 5.2mm*2mm.Described connecting line 25 and the length of intermediate connections 18 are identical, and the numerical values recited being set to L, L depends on the DIELECTRIC CONSTANT ε of substrate 1 base material material and the operating frequency f of antenna self, and concrete computing formula is as follows:
Wherein v is the light velocity, is a constant.By formula it can be seen that this length L is relevant with the gain of antenna, different base material materials and different operating frequency of antenna, different length L can be obtained.In the present embodiment, the length L of connecting line 25 and intermediate connections 18 is about 57mm.
Two Wifi frequency ranges of 2.4GHz and 5GHz supported by antenna described in the utility model, and its frequency range is 2.4GHz～2.5GHz in low-frequency range, is 5.15GHz～5.85GHz at high band.Multiple radiating doublet combineds effect, can be greatly improved antenna gain.Table 1 is antenna gain data summary table.
Fig. 4 illustrates the performance plot of aerial voltage standing-wave ratio, and its standing-wave ratio, less than 2.5, meets the requirement of 50 ohm of couplings.Further, since each radiating doublet in substrate 1 both side surface is coaxial being symmetrical arranged, therefore this antenna meets omnidirectional radiation characteristic, for omni-directional antenna.This antenna can be widely used in the wireless terminal product of the antenna needing High-gain dual-frequency Wifi operating frequency, serves goal of the invention.
Claims (9)
1.nullA kind of unmanned plane high-gain multi-element antenna，It is characterized in that: include substrate (1)，Described substrate (1) is provided with feeding interface (2) at a side surface、Connecting line and impedance-tumed module (4)、First radiating doublet (5)、Second radiating doublet (6)、3rd radiating doublet (7)、4th radiating doublet (8)、5th radiating doublet (9)、6th radiating doublet (10)、7th radiating doublet (11) and the 8th radiating doublet (12)，Described the first radiating doublet (5) and the 3rd radiating doublet (7) are arranged on the bottom of substrate (1) short transverse and are distributed axisymmetricly，Described the second radiating doublet (6) and the 4th radiating doublet (8) are separately positioned on the top of the first radiating doublet (5) and the 3rd radiating doublet (7) and are distributed axisymmetricly equally，The 6th described radiating doublet (10) and the 8th radiating doublet (12) are arranged on the top of substrate (1) short transverse and are distributed axisymmetricly，The 5th described radiating doublet (9) and the 7th radiating doublet (11) are separately positioned on the lower section of the 6th radiating doublet (10) and the 8th radiating doublet (12) and are distributed axisymmetricly equally，First radiating doublet (5)、Second radiating doublet (6)、3rd radiating doublet (7)、4th radiating doublet (8)、5th radiating doublet (9)、6th radiating doublet (10)、7th radiating doublet (11) and the 8th radiating doublet (12) electrically connect with feeding interface (2) commonly through connecting line and impedance-tumed module (4)，Substrate (1) is provided with microstrip balun (13) on opposite side surface、9th radiating doublet (14)、Tenth radiating doublet (15)、11st radiating doublet (16)、12nd radiating doublet (17)、Intermediate connections (18)、13rd radiating doublet (19)、14th radiating doublet (20)、15th radiating doublet (21) and the 16th radiating doublet (22)，The 9th described radiating doublet (14) and the 11st radiating doublet (16) are arranged on the middle and lower part of substrate (1) short transverse and are distributed axisymmetricly，The tenth described radiating doublet (15) and the 12nd radiating doublet (17) are separately positioned on the top of the 9th radiating doublet (14) and the 11st radiating doublet (16) and are distributed axisymmetricly equally，The 14th described radiating doublet (20) and the 16th radiating doublet (22) are arranged on the middle and upper part of substrate (1) short transverse and are distributed axisymmetricly，The 13rd described radiating doublet (19) and the 15th radiating doublet (21) are separately positioned on the lower section of the 14th radiating doublet (20) and the 16th radiating doublet (22) and are distributed axisymmetricly equally，9th radiating doublet (14)、Tenth radiating doublet (15)、11st radiating doublet (16)、12nd radiating doublet (17)、13rd radiating doublet (19)、14th radiating doublet (20)、15th radiating doublet (21) and the 16th radiating doublet (22) electrically connect with microstrip balun (13) commonly through described intermediate connections (18).
2.A kind of unmanned plane high-gain multi-element antenna according to claim 1, it is characterized in that the shape approximating square of described feeding interface (2) and microstrip balun (13), feeding interface (2) is connected terminal unit radiofrequency signal mouth with microstrip balun (13) by radio frequency coaxial-cable.
3.A kind of unmanned plane high-gain multi-element antenna according to claim 1, it is characterised in that described the first radiating doublet (5), the 3rd radiating doublet (7), the 6th radiating doublet (10), the 8th radiating doublet (12), the tenth radiating doublet (15), the 12nd radiating doublet (17), the 13rd radiating doublet (19) and the 15th radiating doublet (21) are long radiating doublet；Described the second radiating doublet (6), the 4th radiating doublet (8), the 5th radiating doublet (9), the 7th radiating doublet (11), the 9th radiating doublet (14), the 11st radiating doublet (16), the 14th radiating doublet (20) and the 16th radiating doublet (22) are short radiating doublet.
4.A kind of unmanned plane high-gain multi-element antenna according to claim 3, it is characterised in that 1/4th operation wavelengths that total length is 2.4GHz～2.5GHz resonant frequency of described the first radiating doublet (5), the 3rd radiating doublet (7), the 6th radiating doublet (10), the 8th radiating doublet (12), the tenth radiating doublet (15), the 12nd radiating doublet (17), the 13rd radiating doublet (19) and the 15th radiating doublet (21)；/ 4th operation wavelengths that total length is 5.15GHz～5.85GHz resonant frequency of described the second radiating doublet (6), the 4th radiating doublet (8), the 5th radiating doublet (9), the 7th radiating doublet (11), the 9th radiating doublet (14), the 11st radiating doublet (16), the 14th radiating doublet (20) and the 16th radiating doublet (22).
5.A kind of unmanned plane high-gain multi-element antenna according to claim 3, it is characterised in that the shape of cross section of described the first radiating doublet (5), the 3rd radiating doublet (7), the 6th radiating doublet (10), the 8th radiating doublet (12), the tenth radiating doublet (15), the 12nd radiating doublet (17), the 13rd radiating doublet (19) and the 15th radiating doublet (21) is stepped；The shape of cross section of described the second radiating doublet (6), the 4th radiating doublet (8), the 5th radiating doublet (9), the 7th radiating doublet (11), the 9th radiating doublet (14), the 11st radiating doublet (16), the 14th radiating doublet (20) and the 16th radiating doublet (22) is in longitudinal vertical bar shape.
6.A kind of unmanned plane high-gain multi-element antenna according to claim 2, it is characterized in that described substrate (1) offers the first through hole (3) in the position corresponding to feeding interface (2), for making the signal feed in coaxial cable be welded to feeding interface (2) through substrate (1).
7.A kind of unmanned plane high-gain multi-element antenna according to claim 1, it is characterized in that described connecting line and impedance-tumed module (4) include connecting line (25) and impedance-tumed module (26), the quantity of described impedance-tumed module (26) be one and more than, arrange along the short transverse interval of connecting line (25) respectively.
8.A kind of unmanned plane high-gain multi-element antenna according to claim 7, it is characterised in that described connecting line (25) is identical with intermediate connections (18) length.
9.A kind of unmanned plane high-gain multi-element antenna according to claim 1, it is characterised in that described substrate (1) adopts the pcb board of resistance to combustion of FR4 level。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490007A (en) * | 2016-01-07 | 2016-04-13 | 常熟市泓博通讯技术股份有限公司 | High-gain multiwire antenna for unmanned aerial vehicle |
| CN107223292A (en) * | 2016-09-26 | 2017-09-29 | 深圳市大疆创新科技有限公司 | Antenna and unmanned plane |
| CN109728444A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Double-frequency omnidirectional antenna |
| CN110171559A (en) * | 2019-06-21 | 2019-08-27 | 深圳市中天迅通信技术股份有限公司 | A kind of unmanned plane and its control method |
| CN110603685A (en) * | 2018-06-22 | 2019-12-20 | 深圳市大疆创新科技有限公司 | Unmanned vehicles and antenna thereof |
-
2016
- 2016-01-07 CN CN201620011568.8U patent/CN205376749U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490007A (en) * | 2016-01-07 | 2016-04-13 | 常熟市泓博通讯技术股份有限公司 | High-gain multiwire antenna for unmanned aerial vehicle |
| CN107223292A (en) * | 2016-09-26 | 2017-09-29 | 深圳市大疆创新科技有限公司 | Antenna and unmanned plane |
| CN107223292B (en) * | 2016-09-26 | 2019-04-23 | 深圳市大疆创新科技有限公司 | Antenna and unmanned plane |
| US11171412B2 (en) | 2016-09-26 | 2021-11-09 | SZ DJI Technology Co., Ltd. | Antennas and unmanned aerial vehicle |
| CN110603685A (en) * | 2018-06-22 | 2019-12-20 | 深圳市大疆创新科技有限公司 | Unmanned vehicles and antenna thereof |
| CN110603685B (en) * | 2018-06-22 | 2021-10-22 | 深圳市大疆创新科技有限公司 | Unmanned vehicles and antenna thereof |
| CN109728444A (en) * | 2018-11-27 | 2019-05-07 | 广州创锦通信技术有限公司 | Double-frequency omnidirectional antenna |
| CN110171559A (en) * | 2019-06-21 | 2019-08-27 | 深圳市中天迅通信技术股份有限公司 | A kind of unmanned plane and its control method |
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Effective date of registration: 20231206 Address after: 235300 East side of Yefeng Road and South side of Lihua Road in Dangshan County Economic Development Zone, Suzhou City, Anhui Province Patentee after: Anhui Hongjia Technology Co.,Ltd. Address before: 215500 8 Liuzhou Road, Yushan hi tech Industrial Park, Changshou City, Suzhou, Jiangsu. Patentee before: CHANGSHU HONGBO COMMUNICATION TECHNOLOGY Co.,Ltd. |