CN106184707A - A kind of unmanned plane structure with antenna assembly - Google Patents
A kind of unmanned plane structure with antenna assembly Download PDFInfo
- Publication number
- CN106184707A CN106184707A CN201610601377.1A CN201610601377A CN106184707A CN 106184707 A CN106184707 A CN 106184707A CN 201610601377 A CN201610601377 A CN 201610601377A CN 106184707 A CN106184707 A CN 106184707A
- Authority
- CN
- China
- Prior art keywords
- unmanned plane
- antenna
- value
- plane structure
- rectangular aperture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/36—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like adapted to receive antennas or radomes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
Abstract
The invention discloses the unmanned plane structure with antenna assembly, described unmanned plane structure includes: fuselage, is fixedly installed on the undercarriage of the bottom of described fuselage, has the insulation crust of hollow structure, the inside bottom of described hollow structure is provided with antenna mechanism, and described antenna mechanism is S type structure.After the present invention comes into operation, use the lightest double frequency round polarized rectangular aperture antenna, greatly reduce the weight of unmanned plane, add the flying power of unmanned plane；Frivolous characteristic due to double frequency round polarized rectangular aperture antenna so that antenna mechanism arranges degree of freedom and increases, is disposed in the chamber of insulation drain pan, reduces the volume of unmanned plane greatly so that it is handsome in appearance.
Description
Technical field
The present invention relates to a kind of unmanned plane structure, particularly to a kind of unmanned plane structure with antenna assembly.
Background technology
The world today, owing to unmanned plane has the technical characterstic of distinctness, all has more and more wider in civil and military field
General application and flourish, especially military surveillance, electric inspection process, take photo by plane, agricultural plant protection, disaster relief and rescue, survey and draw and model,
The fields such as environmental abnormality detection, amusement have broad prospects, and even can represent the important development direction of following airborne vehicle, especially
It is over nearly 5 years, has emerged the small-sized multi-axis rotor wing unmanned aerial vehicle of a lot of bright characteristic.
Defining from technical standpoint, unmanned plane can be divided into: depopulated helicopter, unmanned fixed-wing aircraft, unmanned many rotor flyings
Device, unmanned airship, unmanned parasol, unmanned duct machine etc., culvert type aircraft has common fixed wing airplane and helicopter, many
The many merits that gyroplane does not possesses, plays an important role at dual-use aviation field.Existing many rotors are unmanned
The antenna of machine and tradition depopulated helicopter is the heaviest, badly influences the flying power of unmanned plane and the attractive in appearance of profile.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, it is provided that a kind of unmanned plane knot with antenna assembly
Structure.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of unmanned plane structure with antenna assembly, described unmanned plane structure includes: fuselage, be fixedly installed on described machine
The undercarriage of the bottom of body, having the insulation crust of hollow structure, the inside bottom of described hollow structure is provided with antenna mechanism,
Described antenna mechanism is double frequency round polarized rectangular aperture antenna, described double frequency round polarized rectangular aperture antenna be arch, semicircle,
Oval；Or described double frequency round polarized rectangular aperture antenna includes following S type structure: antenna is positioned on FR4 medium plectrum, L1
Being width and the height of antenna respectively with H1, L2 and H2 is width and the height of rectangular aperture respectively, and S type monopole width is W1
And W2, the length of each segmentation is respectively S1, S2, S3, S4, S5 and S6, described S type monopole co-planar waveguide formed below.
Further, the dielectric constant of described FR4 medium plectrum is 4.4, and loss angle tangent is 0.02.
Further, the thickness of described FR4 medium plectrum is 1mm.
Further, described co-planar waveguide is designed to have 50 ohm characteristic impedance, middle feeder line width 2mm, gap
The sub-miniature A connector of width 0.25mm, feeder line and standard is connected.
Further, the inside bottom of described chamber have make described double frequency round polarized rectangular aperture antenna laminating firm
Rough layer.
Further, the inside bottom of described chamber has and prevents determining of described double frequency round polarized rectangular aperture antenna flange
Position post.
Further, described unmanned plane is unmanned multi-rotor aerocraft.
Further, L1 value is 36～38mm, and H1 value is 36～38mm, and L2 value is 27～29mm, and H2 value is
27～29mm, W1 value is 1～2mm, and W2 value is 1～2mm, and S1 value is 7～9mm, and S2 value is 12～13mm, S3 value
Being 20～22mm, S4 value is 10～12mm, and S5 value is 22～23mm, and S6 value is 4～6mm.
The beneficial effects are mainly as follows:
1. use light quality, build is small and exquisite, feed simple circular polarized antenna, controls antenna by S type monopole
Surface current, has encouraged circular polarization characteristics.Greatly reduce the weight of unmanned plane, add the flying power of unmanned plane；
2. due to the frivolous characteristic of circular polarisation rectangular aperture antenna so that antenna mechanism arranges degree of freedom and increases, and is set
Put in the cavity of insulation drain pan, reduce the volume of unmanned plane greatly；
3. antenna mechanism is within the cavity, does not interferes with the aesthetic property of unmanned plane so that it is handsome in appearance.
Accompanying drawing explanation
Fig. 1 be the antenna assembly of unmanned plane structure of the present invention structural representation.
Fig. 2 is test and the graph of a relation of emulation S parameter of antenna.
Fig. 3 is actual measurement and the graph of a relation of emulation axle ratio of antenna.
Detailed description of the invention
The detailed description of the invention of the unmanned plane structure to offer of the present invention below in conjunction with the accompanying drawings with antenna assembly is done in detail
Describe in detail bright.The present invention provides based on the unmanned plane structure with antenna assembly, by increasing capacitance it is possible to increase the flying power of unmanned plane and attractive in appearance
Property.
The unmanned plane of indication of the present invention is unmanned multi-rotor aerocraft, and optimum is applicable to MAV, unmanned facility
There is fuselage, be fixedly installed on the undercarriage of the bottom of described fuselage, there is the insulation crust of hollow structure, described hollow structure
Inside bottom is provided with antenna mechanism, and antenna mechanism is double frequency round polarized rectangular aperture antenna.Antenna mechanism can be continuous print bow
Font, semicircle, ellipse, the most also can use the setting of other shapes, and especially, the antenna structure that the present invention proposes also may be used
To include following structure: as it is shown in figure 1, antenna is printed on the thickness FR4 medium plectrum as 1mm (dielectric constant 4.4, loss
Angle tangent 0.02), L1 and H1 is width and the height of antenna respectively, L2 and H2 is width and the height of rectangular aperture respectively.S type
Monopole width is W1 and W2, and the length of each segmentation is respectively S1, S2, S3, S4, S5 and S6, with specific reference to numerical value such as table 1 institute
Show.S type monopole co-planar waveguide formed below, described co-planar waveguide is designed to have 50 ohm characteristic impedance, middle feeder line
The sub-miniature A connector of width 2mm, gap width 0.25mm, feeder line and standard is connected.
The size of table 1. antenna
| Parameter | L1 | H1 | L2 | H2 | P1 | P2 | G | W1 |
| Numerical value (mm) | 36～38 | 36～38 | 27～29 | 27～29 | 5～6 | 2～3 | 2～3 | 1～2 |
| Parameter | W2 | S1 | S2 | S3 | Sd | S5 | S6 | - |
| Numerical value (mm) | 1～2 | 7～9 | 12～13 | 20～22 | 10～12 | 22～23 | 4～6 | - |
As in figure 2 it is shown, antenna structure is tested at microwave dark room.The S11 of the S parameter actual measurement antenna of antenna is little
Bandwidth in-10dB is respectively 18.5% (2.31-2.78GHz) and 22.6% (4.99-at first frequency band and second frequency band
6.26GHz).Greatest irradiation direction (z-axis in Fig. 1) Circular polarization ratio as shown in Figure 3.The actual measurement of this circular polarized antenna
3dB axial ratio bandwidth is respectively 19.6% (2.30-2.80GHz) and 8.8% (5.40-at first frequency band and second frequency band
5.90GHz).Clearly test result and simulation result are the most identical.
More optimally, the inside bottom of cavity 2 has the locating dowel preventing circular polarized antenna flange, and locating dowel can be used for right
Circular polarized antenna carries out positioning and prevent and treat its flange.The inside bottom of described chamber has makes described double frequency round polarized rectangular aperture
The rough layer that antenna laminating is firm.
Finally, being defined described MAV, it is primarily referred to as Breadth Maximum and is less than the unmanned many of 20cm
Rotor craft, certain present invention is also applicable to the Breadth Maximum unmanned plane more than 20cm.
The foregoing is only the preferred embodiments of the present invention, the numerical value mentioned in the description of description above and number
Value scope is not limited to the present invention, simply provides preferred embodiment for the present invention, is not limited to the present invention, right
For those skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (8)
1. having a unmanned plane structure for antenna assembly, described unmanned plane structure includes: fuselage, be fixedly installed on described fuselage
Bottom undercarriage, there is the insulation crust of hollow structure, the inside bottom of described hollow structure is provided with antenna mechanism, institute
Stating antenna mechanism is double frequency round polarized rectangular aperture antenna, and described double frequency round polarized rectangular aperture antenna includes following S type structure:
Antenna is positioned on FR4 medium plectrum, L1 and H1 is width and the height of antenna respectively, L2 and H2 is the width of rectangular aperture respectively
And height, S type monopole width is W1 and W2, and the length of each segmentation is respectively S1, S2, S3, S4, S5 and S6, described S type one pole
Son co-planar waveguide formed below.
Unmanned plane structure the most according to claim 1, it is characterised in that the dielectric constant of described FR4 medium plectrum is
4.4, loss angle tangent is 0.02.
Unmanned plane structure the most according to claim 1 and 2, it is characterised in that the thickness of described FR4 medium plectrum is 1mm.
Unmanned plane structure the most according to claim 1 and 2, it is characterised in that wherein, described co-planar waveguide is designed to tool
Having 50 ohm characteristic impedance, middle feeder line width 2mm, gap width 0.25mm, feeder line is connected with the sub-miniature A connector of standard.
Unmanned plane structure the most according to claim 1, it is characterised in that the inside bottom of described hollow structure has makes institute
State the rough layer that the laminating of double frequency round polarized rectangular aperture antenna is firm.
Unmanned plane structure the most according to claim 1 and 2, it is characterised in that the inside bottom of described hollow structure has
Prevent the locating dowel of described double frequency round polarized rectangular aperture antenna flange.
Unmanned plane structure the most according to claim 1 and 2, it is characterised in that wherein, described unmanned plane is unmanned many rotors
Aircraft.
Unmanned plane structure the most according to claim 1 and 2, it is characterised in that wherein, L1 value is 36～38mm, and H1 takes
Value is 36～38mm, and L2 value is 27～29mm, and H2 value is 27～29mm, and W1 value is 1～2mm, and W2 value is 1～2mm,
S1 value is 7～9mm, and S2 value is 12～13mm, and S3 value is 20～22mm, and S4 value is 10～12mm, and S5 value is 22
～23mm, S6 value is 4～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601377.1A CN106184707A (en) | 2016-07-27 | 2016-07-27 | A kind of unmanned plane structure with antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601377.1A CN106184707A (en) | 2016-07-27 | 2016-07-27 | A kind of unmanned plane structure with antenna assembly |
Publications (1)
| Publication Number | Publication Date |
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| CN106184707A true CN106184707A (en) | 2016-12-07 |
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| CN201610601377.1A Pending CN106184707A (en) | 2016-07-27 | 2016-07-27 | A kind of unmanned plane structure with antenna assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959111A (en) * | 2017-11-20 | 2018-04-24 | 河南师范大学 | A kind of double frequency electricity small gap antenna |
| WO2018107965A1 (en) * | 2016-12-14 | 2018-06-21 | 深圳市道通智能航空技术有限公司 | Dual-frequency-band micro-strip antenna and unmanned aerial vehicle using same |
| CN108258387A (en) * | 2016-12-28 | 2018-07-06 | 上海圣丹纳电子科技股份有限公司 | A kind of mobile unit antenna of closed loop configuration |
| CN110770972A (en) * | 2018-08-22 | 2020-02-07 | 深圳市大疆创新科技有限公司 | Antenna and unmanned aerial vehicle |
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| WO2018107965A1 (en) * | 2016-12-14 | 2018-06-21 | 深圳市道通智能航空技术有限公司 | Dual-frequency-band micro-strip antenna and unmanned aerial vehicle using same |
| CN108258387A (en) * | 2016-12-28 | 2018-07-06 | 上海圣丹纳电子科技股份有限公司 | A kind of mobile unit antenna of closed loop configuration |
| CN108258387B (en) * | 2016-12-28 | 2023-09-05 | 上海圣丹纳无线科技有限公司 | Vehicle-mounted equipment antenna with closed-loop structure |
| CN107959111A (en) * | 2017-11-20 | 2018-04-24 | 河南师范大学 | A kind of double frequency electricity small gap antenna |
| CN107959111B (en) * | 2017-11-20 | 2024-03-08 | 河南师范大学 | Dual-frequency electric small slot antenna |
| CN110770972A (en) * | 2018-08-22 | 2020-02-07 | 深圳市大疆创新科技有限公司 | Antenna and unmanned aerial vehicle |
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| CN110770972B (en) * | 2018-08-22 | 2022-04-08 | 深圳市大疆创新科技有限公司 | Antenna and unmanned aerial vehicle |
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Application publication date: 20161207 |