CN209401821U - A kind of unmanned plane antenna assembly - Google Patents
A kind of unmanned plane antenna assembly Download PDFInfo
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- CN209401821U CN209401821U CN201822227697.2U CN201822227697U CN209401821U CN 209401821 U CN209401821 U CN 209401821U CN 201822227697 U CN201822227697 U CN 201822227697U CN 209401821 U CN209401821 U CN 209401821U
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Abstract
The utility model relates to antenna technical fields, in particular to a kind of unmanned plane antenna assembly, it is characterized in that, including helical antenna main body, the helical antenna main body is hollow cylinder structure, and the both ends of the helical antenna main body axial direction are respectively arranged with cover board and pcb board；The outer surface of the helical antenna main body is provided with the four-arm spiral antenna of quarter-wave four-arm spiral antenna and half wavelength.Network feeder is shifted to by 90 ° towards one end of pcb board in four arm spiral days of half wavelength.One end towards the cover board of the four-arm spiral antenna of half wavelength is connect with the edge of the cover board.The cover board is provided with the half wave line for connecting with the four-arm spiral antenna of half wavelength.The cover board is provided with the connecting hole for connecting with unmanned plane, and the connecting hole and the helical antenna main body are coaxial.It realizes the multiband work of antenna assembly in the form of eight arm helical antennas.
Description
Technical field
The utility model relates to antenna technical fields, in particular to a kind of unmanned plane antenna assembly.
Background technique
Currently, on China's unmanned plane for satellite positioning antenna frequencies it is relatively simple, due to environment factor not really
Qualitative satellite-signal, which is disturbed, becomes very universal, and current existing technology is by mutiple antennas or increases entire antenna
Size realizes multiple band communications, increases the weight bearing of unmanned plane, affects unmanned plane cruising ability.
Utility model content
The purpose of this utility model is to provide a kind of unmanned plane antenna assemblies, are realized in the form of eight arm helical antennas
The multiband of antenna assembly works.
The embodiments of the present invention are achieved in that
A kind of unmanned plane antenna assembly, including helical antenna main body, the helical antenna main body are hollow cylinder structure, institute
The both ends for stating helical antenna main body axial direction are respectively arranged with cover board and pcb board；
Printed circuit board { PCB circuit board }, also known as printed circuit board are the suppliers of electronic component electrical connection.
The outer surface of the helical antenna main body is provided with quarter-wave helical antenna and half wavelength
Helical antenna.
Further, in an embodiment of the present invention, four arm spiral day directions of above-mentioned half wavelength
Network feeder is shifted to by 90 ° in one end of pcb board.
Further, in an embodiment of the present invention, the four-arm spiral antenna of above-mentioned half wavelength
It is connect towards one end of the cover board with the edge of the cover board.
Further, in an embodiment of the present invention, above-mentioned cover board be provided with for half wavelength
Four-arm spiral antenna connection half wave line.
Further, in an embodiment of the present invention, above-mentioned cover board is provided with for connecting with unmanned plane
Connecting hole, there are four the half wave line settings, and four half wave lines are in the week of connection bore ends
Side is connected with each other.
Further, in an embodiment of the present invention, above-mentioned quarter-wave four-arm spiral antenna court
To the earthed circuit of one end connecting PCB board of pcb board.
Further, in an embodiment of the present invention, above-mentioned quarter-wave four-arm spiral antenna court
Pass through open circuit feed form ground connection to one end of the cover board.
Further, in an embodiment of the present invention, the antenna of above-mentioned quarter-wave helical antenna
The antenna arm of the helical antenna of arm and half wavelength is staggered.
Further, in an embodiment of the present invention, above-mentioned pcb board is connected with active circuit, described
Cover board with unmanned plane for connecting.
The beneficial effect of the utility model embodiment is:
Antenna assembly forms eight arm helical antennas by the four-arm spiral antenna of two different wave lengths, can be simultaneously in multiple frequencies
Section work.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the utility model embodiment schematic perspective view；
Fig. 2 is the utility model embodiment structural schematic diagram.
Icon: 1- helical antenna main body；2- cover board；3-PCB plate；4- antenna A；5- antenna B；6- shifts to network feedback
Electric point；7- grounding point；8- connecting hole；9- half wave line.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
It please refers to shown in Fig. 1 and Fig. 2, the present embodiment provides a kind of unmanned plane antenna assemblies, have eight arm helical antenna knots
Structure, including helical antenna main body 1, helical antenna main body 1 are hollow cylinder structure, the both ends of 1 axial direction of helical antenna main body
It is respectively arranged with cover board 2 and pcb board 3, pcb board 3 is connected with active circuit, and cover board 2 with unmanned plane for connecting；Spiral day
The outer surface of line main body 1 is provided with the helical antenna of quarter-wave helical antenna and half wavelength.Half
Network feeder is shifted to by 90 ° towards one end of pcb board 3 in four arm spiral days of wavelength.Four arm spiral days of half wavelength
One end towards cover board 2 of line is connect with the edge of cover board 2.Cover board 2 is provided with for the four arm spirals with half wavelength
The half wave line 9 of antenna connection.Above-mentioned cover board 2 is provided with the connecting hole 8 for connecting with unmanned plane, connecting hole 8
It is coaxial with helical antenna main body 1.
Quarter-wave four-arm spiral antenna towards pcb board 3 one end connecting PCB board 3 earthed circuit.Four/
The four-arm spiral antenna of one wavelength passes through open circuit feed form ground connection towards one end of cover board 2.
One end that antenna assembly is provided with cover board 2 is top, and one end with pcb board 3 is bottom end, quarter-wave
The antenna arm of the helical antenna of the antenna arm and half wavelength of helical antenna is staggered.The spiral day of half wavelength
Network feeder is shifted to by 90 ° in the bottom end of line, and the top of the helical antenna of half wavelength uses short circuit mode.A quarter
The earthed circuit of the bottom end connecting PCB board 3 of the helical antenna of wavelength, the top of quarter-wave helical antenna pass through open circuit
Feed form ground connection.Two four-arm spiral antennas generate two frequencies of 1.55GHz ~ 1.62GHz and 1.2GHz ~ 1.28GHz, this
A two frequencies have separately included BDSB1, BDSB2, BDSB3, GPSL1, GPSL2, GLONASSL1 and GLONASSL2 7 and have defended
Star frequency range.
Embodiment 2
Referring to figs. 1 and 2, the present embodiment provides a kind of unmanned plane antenna assemblies, have eight arm helical antenna structures,
Including helical antenna main body 1, helical antenna main body 1 surrounds hollow cylinder structure by dielectric-slab, helical antenna main body 1 it is a height of
28mm, diameter 34mm, the both ends of 1 axial direction of helical antenna main body are respectively arranged with cover board 2 and pcb board 3, and pcb board 3 connects
Have with active circuit.
The peripheral side of helical antenna main body 1 is provided with antenna A4 and antenna B5, and antenna A4 is quarter-wave four arm
Helical antenna, antenna B5 are the four-arm spiral antenna of half wavelength, and the spiral arm of antenna A4 and antenna B5 are plating in spiral shell
The antenna traces on antenna body are revolved, antenna A4 and antenna B5 plating are in the peripheral side of the helical antenna main body 1 of column structure, spiral shell
Antenna body is revolved with a thickness of 1mm.The end of antenna B5 towards one end of pcb board 3 is to shift to network feeder point 6 and by 90 ° of shiftings
To network feeder, the other end of antenna B5 is connect with cover board 2, and there are four connect with the spiral arm of antenna B5 the setting of cover board 2 respectively
Half wave line 9.Cover board 2 is disc-shaped structure, and cover board 2 is provided with connecting hole 8, the axis and flexibility of connecting hole 8
The axis of medium is overlapped, and four half wave lines 9 are connected with each other in the side of 8 end of connecting hole.Antenna A4 is towards PCB
The earthed circuit of one end connecting PCB board 3 of plate 3, antenna A4 and 3 connecting pin of pcb board are grounding point 7.Four spirals of antenna B5
For arm using the form of half wavelength in 1.55GHz ~ 1.62GHz band operation, four spiral arms of antenna A4 use four points
One of wavelength form in 1.2GHz ~ 1.28GHz band operation, this two frequencies separately included BDSB1, BDSB2,
7 satellite bands of BDSB3, GPSL1, GPSL2, GLONASSL1 and GLONASSL2.The toughness of antenna assembly is good, antenna A4
It is all made of flake with antenna B5, the total quality of antenna is light, and four spiral arms of antenna A4 are symmetricly set on spiral day two-by-two
Four spiral arms of the opposite two sides of line main body 1, antenna B5 are symmetricly set on the opposite two sides of flexible media two-by-two.It can be fine
Guarantee antenna phase center, improve positioning accuracy.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of unmanned plane antenna assembly, which is characterized in that including helical antenna main body, the helical antenna main body is open circles
The both ends of rod structure, the helical antenna main body axial direction are respectively arranged with cover board and pcb board；The helical antenna main body
Outer surface is provided with the four-arm spiral antenna of quarter-wave four-arm spiral antenna and half wavelength.
2. antenna assembly according to claim 1, which is characterized in that four arm spiral day directions of the half wavelength
Network feeder is shifted to by 90 ° in one end of pcb board.
3. antenna assembly according to claim 1, which is characterized in that the four-arm spiral antenna of the half wavelength
It is connect towards one end of the cover board with the edge of the cover board.
4. antenna assembly according to claim 3, which is characterized in that the cover board be provided with for half wavelength
Four-arm spiral antenna connection half wave line.
5. antenna assembly according to claim 4, which is characterized in that the cover board is provided with for connecting with unmanned plane
Connecting hole, there are four the half wave line settings, and four half wave lines are in the week of connection bore ends
Side is connected with each other.
6. antenna assembly according to claim 1, which is characterized in that the quarter-wave four-arm spiral antenna court
To the earthed circuit of one end connecting PCB board of pcb board.
7. antenna assembly according to claim 1, which is characterized in that the quarter-wave four-arm spiral antenna court
Pass through open circuit feed form ground connection to one end of the cover board.
8. antenna assembly according to claim 1, which is characterized in that the antenna of the quarter-wave helical antenna
The antenna arm of the helical antenna of arm and half wavelength is staggered.
9. antenna assembly according to claim 1, which is characterized in that the pcb board is connected with active circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227697.2U CN209401821U (en) | 2018-12-27 | 2018-12-27 | A kind of unmanned plane antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227697.2U CN209401821U (en) | 2018-12-27 | 2018-12-27 | A kind of unmanned plane antenna assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401821U true CN209401821U (en) | 2019-09-17 |
Family
ID=67896749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822227697.2U Active CN209401821U (en) | 2018-12-27 | 2018-12-27 | A kind of unmanned plane antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401821U (en) |
-
2018
- 2018-12-27 CN CN201822227697.2U patent/CN209401821U/en active Active
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