CN209357912U - A kind of antenna and unmanned vehicle - Google Patents
A kind of antenna and unmanned vehicle Download PDFInfo
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- CN209357912U CN209357912U CN201822277564.6U CN201822277564U CN209357912U CN 209357912 U CN209357912 U CN 209357912U CN 201822277564 U CN201822277564 U CN 201822277564U CN 209357912 U CN209357912 U CN 209357912U
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Abstract
The utility model embodiment discloses a kind of antenna and unmanned vehicle, antenna are set to inside unmanned vehicle, and antenna includes first antenna unit and the second antenna element, and first antenna unit and the second antenna element are set on the same surface of substrate；Wherein, first antenna unit includes the first main radiating element and the first collateral radiation unit, and the second antenna element includes the second main radiating element and the second collateral radiation unit, and gap is equipped between the first main radiating element and the second main radiating element；First collateral radiation unit is connected to side end of first main radiating element far from the second main radiating element, second collateral radiation unit is connected to side end of second main radiating element far from the first main radiating element, and the first collateral radiation unit and the second collateral radiation unit are located at the same side of substrate.By the above-mentioned means, the utility model embodiment reduces the size of antenna, can be installed on inside unmanned vehicle.
Description
Technical field
The utility model embodiment is related to antenna technical field, more particularly to a kind of antenna and unmanned vehicle.
Background technique
Antenna is the communication device for emitting or receiving electromagnetic wave, is widely used in electronic equipment.
With robot, the rise of unmanned vehicle and for the demand of miniaturization, antenna constantly develops towards miniaturization.It is right
For unmanned vehicle, not only the limitation in space has the size of antenna required, it is also desirable to which the radiation of antenna being capable of omnidirectional
Uniform fold.
Existing unmanned plane antenna, generally 2.4GHz and/or 5.8GHz microstrip antenna, similar to the low frequency of 900M antenna
Antenna is also gradually applied on unmanned plane since it is with preferable reception gain and anti-interference ability, but the day of the type
Linear dimension is larger, can only be placed in outside unmanned plane, its use is made to receive certain influence.
Summary of the invention
How the main technical problems to be solved of the utility model embodiment reduce the size of antenna.
The technical solution that the utility model uses is: a kind of antenna is provided, is set to inside unmanned vehicle, it is described
Antenna includes first antenna unit；And
Second antenna element, the first antenna unit and second antenna element are set to the same of substrate (200)
On surface；
Wherein, the first antenna unit includes the first main radiating element and the first collateral radiation unit, second antenna
Unit includes the second main radiating element and the second collateral radiation unit, first main radiating element and second main radiating element
Between be equipped with gap；
The first collateral radiation unit is connected to one of first main radiating element far from second main radiating element
Side end, the second collateral radiation unit are connected to side of second main radiating element far from first main radiating element
End, the first collateral radiation unit and the second collateral radiation unit are located at the same side of the substrate.
Optionally, first main radiating element and second main radiating element are set along the first direction of the substrate
It sets, the first collateral radiation unit and the second collateral radiation unit are arranged along the second direction of the substrate, the first party
To being not parallel to the second direction.
In one embodiment, the first direction is the vertical direction of the substrate, and the second direction is the substrate
Horizontal direction.
In one embodiment, the distance between the first collateral radiation unit and the second collateral radiation unit are along the base
The horizontal direction of plate is gradually reduced.
In one embodiment, the Vertical Square of first main radiating element and second main radiating element along the substrate
To be symmetrical arranged.
Optionally, first main radiating element is in inverted trapezoidal structure, the trapezoidal structure of the second main radiating element, institute
It states the first collateral radiation unit to be formed from one of apex angle horizontal extension of the inverted trapezoidal structure, the second collateral radiation unit
It extends obliquely upward to be formed from one of base angle of the trapezium structure.
In some embodiments, it is provided with fluting on first main radiating element or on second main radiating element,
The opening of the fluting is far from another main radiating element.
Optionally, the antenna further includes feed line, and the feed line is located in the fluting.
In one embodiment, the feed line includes outer conductor and inner conductor；
The fluting is set to first main radiating element, and the inner conductor is connected to second main radiating element and leans on
One end of nearly first main radiating element, the outer conductor are connected to first main radiating element close to the described second main spoke
Penetrate one end of unit.
In one embodiment, the first antenna unit and second antenna element are sheet metal.
The utility model embodiment also provides a kind of unmanned vehicle, and the unmanned vehicle is internally provided with substrate,
Antenna as described above is provided on the substrate.
Optionally, the unmanned vehicle is VTOL type fixed-wing unmanned vehicle；
Wherein, the substrate and the antenna are set to the empennage of the unmanned vehicle.
The beneficial effect of the utility model embodiment is: it is in contrast to the prior art, the utility model embodiment
Antenna includes the first antenna unit and the second antenna element being set on the same surface of substrate, wherein first antenna unit packet
The first main radiating element and the first collateral radiation unit are included, the second antenna element includes the second main radiating element and the second collateral radiation list
Member is equipped with gap between the first main radiating element and the second main radiating element；First collateral radiation unit is connected to the first primary radiation
Side end of the unit far from the second main radiating element, it is main far from first that the second collateral radiation unit is connected to the second main radiating element
The side end of radiating element, the first collateral radiation unit and the second collateral radiation unit are located at the same side of substrate, by first
The first collateral radiation unit and the second secondary spoke is respectively set in the side end that main radiating element and the second main radiating element are located remotely from each other
Unit is penetrated, the active path for passing through the electric current of first antenna unit and the second antenna element extends, to reduce antenna
Size, reduce the height and/or width of antenna, realize the miniaturization of antenna, unmanned vehicle can be installed on
It is internal.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the schematic diagram of antenna provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of first antenna unit and the second antenna element provided by the embodiment of the utility model；
Fig. 3 is the schematic diagram of another antenna provided by the embodiment of the utility model；
Fig. 4 is the schematic diagram that the feed line that inventive embodiments provide is connect with first antenna unit and the second antenna element；
Fig. 5 is the schematic diagram that antenna provided by the embodiment of the utility model is installed on inside unmanned vehicle；
Fig. 6 is the scattering parameter schematic diagram of antenna provided by the embodiment of the utility model；
Fig. 7 is directional diagram of the antenna provided by the embodiment of the utility model in 900MHz.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term "vertical", "horizontal", "left" and "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.Term used in this specification
"and/or" includes any and all combinations of one or more related listed items.
As shown in Figs 1-4, the utility model embodiment provides a kind of antenna 100.Antenna 100 is optionally omnidirectional antenna.
Antenna 100 is installed on inside unmanned vehicle.The antenna 100 include substrate 200 and be set on the same surface of substrate 200 the
One antenna element 10, the second antenna element 20.
Aforesaid substrate 200 is dielectric, can be plastic plate, such as polycarbonate (Polycarbonate, PC) plate or be
The substrate made of the material of FR4 grade.Specifically, FR4 is a kind of code name of flame resistant material grade, it is representative to mean tree
Rouge material allows for a kind of material specification of self-extinguish by combustion state, its not a kind of title material is a kind of
Material rate, presently used FR4 grade material has very more types, for example, with so-called four functions (Tera-
Function epoxy resin) adds the composite material that filler (Filler) and glass fibre are made.
In the present embodiment, aforesaid substrate 200 is set to inside loose impediment, such as can be set in unmanned flight
The inside of device, ground unmanned vehicle, robot, underwater robot or ship.It is understood that in some embodiments, on
Stating substrate 200 can be the internal any insulating part of loose impediment (such as unmanned vehicle), for example, substrate 200 can
To be horn, the empennage etc. of unmanned vehicle.
First antenna unit 10 and the second antenna element 20 are sheet metal.The two antenna elements can pass through photoetching corrosion
Method is formed in the surface of substrate 200.In other embodiments, sheet metal can also be made after above-mentioned antenna element again solid
Due to the surface of aforesaid substrate 200.The size of first antenna unit 10 and the second antenna element 200 determines the work of antenna 100
Make frequency range.
Wherein, first antenna unit 10 includes the first main radiating element 11 and the first collateral radiation unit 12, the second antenna list
Member 20 includes the second main radiating element 21 and the second collateral radiation unit 22.First main radiating element 11 and the second main radiating element 21
Between be equipped with gap, be provided with pre-determined distance between the two.It is remote that first collateral radiation unit 12 is connected to the first main radiating element 11
Side end from the second main radiating element 21, it is main far from first that the second collateral radiation unit 22 is connected to the second main radiating element 21
The side end of radiating element 11.Preferably, the first collateral radiation unit 12 and the second collateral radiation unit 22 are located at the same of substrate 200
Side.In other embodiments, the first collateral radiation unit 12 and the second collateral radiation unit 22 can be located at substrate 200
Two sides.
Is respectively set by the side end being located remotely from each other in the first main radiating element 11 and the second main radiating element 21
One collateral radiation unit 12 and the second collateral radiation unit 22, pass through the electric current of first antenna unit 10 and the second antenna element 20
Active path extend, to reduce the size of antenna, reduce the height and/or width of antenna, realize the small of antenna
Type can be installed on the inside of the loose impediments such as unmanned vehicle.
First main radiating element 11 and the second main radiating element 21 are arranged along the first direction of substrate 200, the first collateral radiation
Unit 12 and the second collateral radiation unit 22 are arranged along the second direction of substrate 200, and first direction is not parallel to second direction.One
In kind embodiment, first direction is mutually perpendicular to second direction.For example, first direction is the vertical direction (side Y shown in FIG. 1
To), second direction is horizontal direction (X-direction shown in FIG. 1).
In order to further decrease the bulk of antenna 100, the first collateral radiation unit 12 and the second collateral radiation unit 22 it
Between distance be gradually reduced along the horizontal direction (X-direction) of substrate 200.For example, as shown in Figure 1,12 edge of the first collateral radiation unit
Horizontal direction (X-direction) setting, the second collateral radiation unit 22 are tilted toward the side close to the first collateral radiation unit 12.
First main radiating element 11 and the second main radiating element 21 can corresponding change shape according to different requirements, such as adopt
With trapezoidal, rectangle, ellipse, taper, hexagon etc., the shape of the first main radiating element 11 and the second main radiating element 21 can be with
Equally, can also be different, for example,
First main radiating element 11 uses rectangle, and the second main radiating element 21 is using ellipse.
In some embodiments, when the first main radiating element 11 is as the shape of the second main radiating element 21, the
One main radiating element 11 and the second main radiating element 21 are symmetrical arranged along the vertical direction (Y-direction) of substrate 200, preferably to reach
To the uniform radiation effect of omnidirectional.
Illustratively, the first main radiating element 11 be in inverted trapezoidal structure, the trapezoidal structure of the second main radiating element 21, first
Collateral radiation unit 12 is formed from one of apex angle horizontal extension of inverted trapezoidal structure, and the second collateral radiation unit 22 is from trapezium structure
One of base angle extend obliquely upward to be formed so that the distance between the first collateral radiation unit 12 and the second collateral radiation unit 22
Horizontal direction (X-direction) along substrate 200 is gradually reduced.
Specifically, as shown in Figure 2, the first main radiating element 11 includes on first to be parallel to each other under bottom 111 and first
Bottom 112, and two first sides 113 at bottom 111 and the first bottom 112 on first are connected, the length at bottom 111 is greater than on first
The length of first bottom 112, the first collateral radiation unit 12 is by bottom 111 on first and wherein 113 horizontal extension of first side
It is formed.In some embodiments, the top edge at bottom 111 is overlapped on the top edge and first of the first collateral radiation unit 12.
Second main radiating element 21 includes bottom 121 and the second bottom 122 on second to be parallel to each other, and in connection second
Two second sides 123 at bottom 121 and the second bottom 122, be provided between bottom 111 on bottom 121 and first on second it is default away from
From.On second the length at bottom 121 less than the second bottom 122 length, the second collateral radiation unit 22 by the second bottom 122 wherein
One second side 123 extends obliquely upward to be formed.
It should be noted that in addition to the rectangle shown in the figure, the first collateral radiation unit 12 and the second collateral radiation unit 22
Other shapes, such as trapezoidal, oval, taper can be used；The shape of first collateral radiation unit 12 and the second collateral radiation unit 22
Shape can be the same, can also be different, for example, the first collateral radiation unit 12 uses rectangle, the second collateral radiation unit 22 is using ellipse
It is round.
In some embodiments, the side of the first collateral radiation unit 12 and/or the second collateral radiation unit 22 can also adopt
With zigzag, waveform or other irregular shapes.
In order to adjust the impedance of antenna 100 so that the performance of antenna 100 is more stable, on the first main radiating element 11 or
Fluting 114 is provided on second main radiating element 21.As shown in Fig. 2, the opening of fluting 114 is far from another main radiating element.
In one embodiment, fluting 114 is set to the first main radiating element 11, and fluting 114 is from the first main radiating element
The direction of 11 laterally closer second main radiating elements 21 far from the second main radiating element 21 opens up.
Specifically, slot 114 opening be located at first on bottom 111, slot 114 bottom edge with first go to the bottom 112 it is parallel simultaneously
Distance first is gone to the bottom 112 certain distances, slot 114 width as the depth of fluting 114 is gradually reduced, also that is, fluting 114
Shape is inverted trapezoidal.In other embodiments, 114 shape of slotting can be rectangle, moon shape, ellipse, trapezoidal or inverted trapezoidal
Deng slotting 114 width and depth the present embodiment be not construed as limiting this, can be determined by design optimization.
As shown in Figure 3-4, which further includes feed line 30.Feed line 30 is located in fluting 114.Optionally, substrate
200 are being provided with bayonet 210 in 114 corresponding regions of fluting, and bayonet 210 is used to for feed line 30 being fixed in fluting 114.
Outer quilt, braiding layer are peelled off in one end of feed line 30, can get outer conductor 31, continue to peel off transparent membrane insulating layer
32, it can get inner conductor 33.Inner conductor 33 is connected to the second main radiating element 21 close to one end of the first main radiating element 11, outside
Conductor 31 is connected to the first main radiating element 11 close to one end of the second main radiating element 21.
It is understood that it is main that outer conductor 31 is connected to second when fluting 114 is set on the second main radiating element 21
For radiating element 21 close to one end of the first main radiating element 11, it is main close to second that inner conductor 33 is connected to the first main radiating element 11
One end of radiating element 21.
When the second collateral radiation unit 22 extends obliquely upward to be formed from one of base angle of trapezium structure, can directly utilize
Antenna 100 is set to inside the loose impediment by the inner space of loose impediment.For example, as shown in figure 5, can be by antenna
100 are built in the empennage of unmanned vehicle 300, realize that antenna 100 and the internal structure of unmanned vehicle 300 are conformal.
Referring to Fig. 6, antenna 100 provided in this embodiment can work in 860MHz-960MHz, bandwidth 100MHz, it can
Meet the covering of common 900MHz frequency range.
Referring to Fig. 7, antenna 100 provided in this embodiment is horizontal direction region in the greatest irradiation direction of 900MHz,
It can substantially realize that omnidirection covers, and its height is 70mm, substantially less than the height of routine 900MHz antenna is (for routine
The 42% of 900MHz antenna height), thickness is only 0.7mm.
In some embodiments, the working frequency range of antenna 100 is 900MHz, in other embodiments, antenna 100
Its frequency range that also can be used for other wireless communications.
The present embodiment also provides a kind of unmanned vehicle, antenna 100 can be built in the unmanned vehicle.Antenna
100 substrate 200 can be any insulating part inside unmanned vehicle.In some embodiments, the unmanned flight
Device is VTOL type fixed-wing unmanned vehicle, which is set to the empennage of the unmanned vehicle.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Example, not as the additional limitation to the content of the present invention, purpose of providing these embodiments is makes to this reality these embodiments
Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper
The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record；Further, to ordinary skill
For personnel, it can be modified or changed according to the above description, and all to should belong to this practical new for all these modifications and variations
The protection scope of type appended claims.
Claims (12)
1. a kind of antenna (100), is set to inside unmanned vehicle, which is characterized in that the antenna (100) includes:
First antenna unit (10)；And
Second antenna element (20), the first antenna unit (10) and second antenna element (20) are set to substrate
(200) on same surface；
Wherein, the first antenna unit (10) includes the first main radiating element (11) and the first collateral radiation unit (12), described
Second antenna element (20) includes the second main radiating element (21) and the second collateral radiation unit (22), first main radiating element
(11) gap is equipped between second main radiating element (21)；
The first collateral radiation unit (12) is connected to first main radiating element (11) far from second main radiating element
(21) side end, the second collateral radiation unit (22) are connected to second main radiating element (21) far from described first
The side end of main radiating element (11), the first collateral radiation unit (12) and the second collateral radiation unit (22) are located at institute
State the same side of substrate (200).
2. antenna (100) according to claim 1, which is characterized in that
First main radiating element (11) and second main radiating element (21) are set along the first direction of the substrate (200)
It sets, the first collateral radiation unit (12) and the second collateral radiation unit (22) set along the second direction of the substrate (200)
It sets, the first direction is not parallel to the second direction.
3. antenna (100) according to claim 2, which is characterized in that
The first direction is the vertical direction of the substrate (200), and the second direction is the level side of the substrate (200)
To.
4. antenna (100) according to claim 3, which is characterized in that
The distance between the first collateral radiation unit (12) and the second collateral radiation unit (22) are along the substrate (200)
Horizontal direction is gradually reduced.
5. antenna (100) according to claim 3 or 4, which is characterized in that
The vertical direction pair of first main radiating element (11) and second main radiating element (21) along the substrate (200)
Claim setting.
6. antenna (100) according to claim 1, which is characterized in that
First main radiating element (11) is in inverted trapezoidal structure, and the trapezoidal structure of second main radiating element (21) is described
First collateral radiation unit (12) is formed from one of apex angle horizontal extension of the inverted trapezoidal structure, the second collateral radiation list
First (22) extend obliquely upward to be formed from one of base angle of the trapezium structure.
7. antenna (100) according to claim 1, which is characterized in that
It is provided with fluting (114) on first main radiating element (11) or on second main radiating element (21), it is described to open
The opening of slot (114) is far from another main radiating element.
8. antenna (100) according to claim 7, which is characterized in that
The antenna (100) further includes feed line (30), and the feed line (30) is located in the fluting (114).
9. antenna (100) according to claim 8, which is characterized in that
The feed line (30) includes outer conductor (31) and inner conductor (33)；
The fluting (114) is set to first main radiating element (11), and it is main that the inner conductor (33) is connected to described second
Radiating element (21) is connected to the described first main spoke close to one end of first main radiating element (11), the outer conductor (31)
Penetrate the one end of unit (11) close to second main radiating element (21).
10. antenna (100) according to claim 1, which is characterized in that
The first antenna unit (10) and second antenna element (20) are sheet metal.
11. a kind of unmanned vehicle, the unmanned vehicle is internally provided with substrate (200), which is characterized in that in the substrate
(200) it is arranged on just like antenna of any of claims 1-10 (100).
12. according to unmanned vehicle as claimed in claim 11, which is characterized in that the unmanned vehicle is VTOL type
Fixed-wing unmanned vehicle；
Wherein, the substrate (200) and the antenna (100) are set to the empennage of the unmanned vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277564.6U CN209357912U (en) | 2018-12-29 | 2018-12-29 | A kind of antenna and unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277564.6U CN209357912U (en) | 2018-12-29 | 2018-12-29 | A kind of antenna and unmanned vehicle |
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| Publication Number | Publication Date |
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| CN209357912U true CN209357912U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822277564.6U Active CN209357912U (en) | 2018-12-29 | 2018-12-29 | A kind of antenna and unmanned vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494451A (en) * | 2018-12-29 | 2019-03-19 | 深圳市道通智能航空技术有限公司 | A kind of antenna and unmanned vehicle |
| CN114552197A (en) * | 2022-04-01 | 2022-05-27 | 维沃移动通信有限公司 | Antenna structure and electronic device |
| CN114583441A (en) * | 2022-04-01 | 2022-06-03 | 维沃移动通信有限公司 | Antenna structure and electronic device |
-
2018
- 2018-12-29 CN CN201822277564.6U patent/CN209357912U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494451A (en) * | 2018-12-29 | 2019-03-19 | 深圳市道通智能航空技术有限公司 | A kind of antenna and unmanned vehicle |
| US11955703B2 (en) | 2018-12-29 | 2024-04-09 | Autel Robotics Co., Ltd. | Antenna and unmanned aerial vehicle |
| CN109494451B (en) * | 2018-12-29 | 2024-05-17 | 深圳市道通智能航空技术股份有限公司 | Antenna and unmanned vehicles |
| CN114552197A (en) * | 2022-04-01 | 2022-05-27 | 维沃移动通信有限公司 | Antenna structure and electronic device |
| CN114583441A (en) * | 2022-04-01 | 2022-06-03 | 维沃移动通信有限公司 | Antenna structure and electronic device |
| CN114552197B (en) * | 2022-04-01 | 2024-07-26 | 维沃移动通信有限公司 | Antenna structure and electronic equipment |
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Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Yuen Building 9 layer B1 Patentee after: Shenzhen daotong intelligent Aviation Technology Co.,Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Yuen Building 9 layer B1 Patentee before: AUTEL ROBOTICS Co.,Ltd. |
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