CN108767436A - Antenna and unmanned vehicle - Google Patents
Antenna and unmanned vehicle Download PDFInfo
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- CN108767436A CN108767436A CN201810950497.1A CN201810950497A CN108767436A CN 108767436 A CN108767436 A CN 108767436A CN 201810950497 A CN201810950497 A CN 201810950497A CN 108767436 A CN108767436 A CN 108767436A
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- 239000000758 substrate Substances 0.000 claims abstract description 84
- 239000004020 conductor Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/02—Gyroplanes
- B64C27/028—Other constructional elements; Rotor balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/285—Aircraft wire antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
A kind of antenna of present invention offer and unmanned vehicle, the antenna can be applicable on unmanned vehicle, and the antenna includes：Substrate, the substrate have opposite the first face and the second face；Radiating element, including the first irradiation unit and the second irradiation unit that are electrically connected to each other, wherein the first irradiation unit is arranged on first face, the second irradiation unit is arranged on second face；Antenna ground unit, including the first antenna that is electrically connected to each other ground portion and the second antenna ground portion, wherein first antenna portion be arranged on first face, the second antenna portion be arranged on second face；Via, through the first antenna portion, substrate, the second antenna ground portion；Feeding coaxial lines, the feeding coaxial lines pass through the via and with first irradiation unit and second antenna portion is connect respectively, and the feeding coaxial lines are equipped with choke；Wherein, the radiating element and the antenna unit fed by the feeding coaxial lines.Inventive antenna performance is stablized.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of antennas and unmanned vehicle.
Background technology
With the development of science and technology unmanned vehicle has received widespread attention.Unmanned vehicle is referred to as：Unmanned plane, tool
There are maneuverability, rapid reaction, unmanned flight.Unmanned vehicle is usually applied to military field and civil field, tool
Body meteorological, agricultural, explore, photograph, transport, entertain etc. fields be widely used it is general.There is antenna on unmanned vehicle, pass through
Antenna carries out the transmitting-receiving of signal, and signal transmission is carried out with remote controler.
However, existing unmanned plane built-in aerial, is generally located in tripod so that antenna size is limited, and unmanned plane
Although horn bulk is relatively large, environment is more complex, is easy to influence the signal of antenna, antenna is made to can not work normally,
Moreover, antenna performance is very unstable.
Invention content
It is at least one in order to solve the problems, such as to mention in background technology, a kind of antenna of present invention offer and unmanned vehicle,
To improve the stability of antenna.
To achieve the goals above, it in a first aspect, the present invention provides a kind of antenna, can be applicable on unmanned vehicle, institute
Stating antenna includes：
Substrate, the substrate have opposite the first face and the second face；
Radiating element, including the first irradiation unit and the second irradiation unit that are electrically connected to each other, wherein first irradiation unit is set
It sets on the first face of the substrate, second irradiation unit is arranged on second face；
Antenna ground unit, including the first antenna that is electrically connected to each other ground portion and the second antenna ground portion, wherein described first day
Line portion be arranged on first face, second antenna portion be arranged on second face；
Via, through the first antenna portion, the substrate, second antenna ground portion；
Feeding coaxial lines, the feeding coaxial lines pass through the via and respectively with first irradiation unit and described second
Antenna portion connection, the feeding coaxial lines be equipped with choke；
Wherein, the radiating element and the antenna unit fed by the feeding coaxial lines.
The antenna of the present invention passes through and the second antenna ground portion is arranged so that motor lines, lamp plate line inside unmanned plane and other
The influence that the Internal cable such as the coaxial line of antenna generate antenna is smaller, to enable the antenna under complicated electromagnetic environment
Normal work, i.e., antenna can be arranged in the horn that space is relatively large, environment is more complex, do not have to limitation and be arranged in space
In smaller tripod；In addition, the first face and the second face of substrate all have irradiation unit, that is, the both sides of substrate generate radiation, from
And the radiation efficiency of antenna is substantially increased, and feeding coaxial lines are equipped with choke, can effectively control feeding coaxial lines
On electric current so that antenna performance more stablize.
First irradiation unit is identical with the outer profile of second irradiation unit in one of the embodiments, and described
One antenna with second antenna portion of portion outer profile it is identical.
The antenna further includes in one of the embodiments,：
First through hole, for running through first irradiation unit, the substrate and second irradiation unit, first radiation
Portion is connected with second irradiation unit by the way that the metalwork in the first through hole is arranged；
Second through-hole, for through the first antenna portion, the substrate and second antenna portion, described first
Antenna with second antenna portion is connected by the way that the metalwork in second through-hole is arranged in portion.
By opening up first through hole and the second through-hole, by the first irradiation unit and the second irradiation unit, first antenna portion respectively
With the second antenna portion links together, and is attached in such a way that through-hole connects, easy to connect, reliable, and ensure that day
The aesthetics of line.
The feeding coaxial lines include outer conductor and inner wire in one of the embodiments,；
The first end of the feeding coaxial lines is located at the first face of the substrate, and the inner wire extends from the first end
It is electrically connected to first irradiation unit and with first irradiation unit；
The second end of the feeding coaxial lines reaches the second face of the substrate, the feeding coaxial lines across the via
Outer conductor with being close to second antenna portion.
First irradiation unit and second irradiation unit include microstrip feed line, antenna in one of the embodiments,
Oscillator arms return ground wire；
Wherein, the first end of the microstrip feed line is connect with the feed end of the feeding coaxial lines, the microstrip feed line
Second end is connect with the antenna oscillator arm；
Described time ground wire respectively with the antenna oscillator arm, the antenna unit connect.
The antenna returns ground wire and is mutually parallel with the microstrip feed line in one of the embodiments,；
The antenna oscillator arm is mutually perpendicular to described time ground wire and the microstrip feed line respectively；Alternatively,
The antenna returns ground wire and forms U-shaped with the microstrip feed line, and the antenna oscillator arm hangs down with the microstrip feed line
Directly.
The antenna oscillator arm is arranged along the length direction of the substrate in the substrate in one of the embodiments,
Edge.
In one of the embodiments, the first antenna portion and the second antenna portion along the substrate length direction
Setting on the substrate, and second antenna the projected area of portion on the substrate be greater than or equal to unmanned plane machine
The projected area of motor lines and lamp plate line on the substrate in arm.
The substrate is the substrate made of the material of FR-4 grades in one of the embodiments,.
The working frequency of the antenna is 900MHz in one of the embodiments,.
First irradiation unit and second irradiation unit are integrally formed in one of the embodiments,；
The first antenna portion and second antenna portion be integrally formed.
The choke is copper pipe, metal webmaster, copper sheet or conducting adhesive cloth in one of the embodiments,.
Second aspect, the present invention provide a kind of unmanned vehicle, including fuselage, the horn that is connect with the fuselage and on
The antenna stated, wherein the antenna is arranged in the horn.
The construction of the present invention and its other purposes and advantageous effect will be in conjunction with the accompanying drawings to preferred embodiments
Description and it is more obvious and easy to understand.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram in the first face of the antenna that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram in the second face of the antenna that the embodiment of the present invention one provides；
Fig. 3 is the stereoscopic schematic diagram that the antenna that the embodiment of the present invention one provides is mounted in horn；
Fig. 4 is the standing wave Parameter Map for the antenna that the embodiment of the present invention one provides；
Fig. 5 is directional diagram of the antenna that provides of the embodiment of the present invention one on horizontal plane and vertical plane；
Fig. 6 is the structural schematic diagram of the body of unmanned vehicle provided by Embodiment 2 of the present invention.
Reference sign：
10-antennas；101-substrates；102,105-microstrip feed line；103,106-antenna oscillator arm；104,107-day
Line returns ground wire；108-first antennas ground portion；109-the second antenna ground portion；110-feeding coaxial lines；111-first through hole；
112-the second through-hole；113-vias；114-chokes；20-unmanned vehicles；121-fuselages；120,122-horn；
123-motors.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the invention, it is to be understood that the instructions such as term "left", "right", " vertical ", " transverse direction "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the invention and simplification
Description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and behaviour
Make, therefore should not be understood as the limitation to the invention.In addition, term " first ", " second " " third " " the 4th " etc. are only used
In description purpose, it is not understood to indicate or imply relative importance or implicitly indicates the number of indicated technical characteristic
Amount.Define as a result, " first ", " second " " third " " the 4th " etc. feature can explicitly or implicitly include one or
More this feature.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
It is carried out specifically below by antenna of the specific embodiment to the present invention, the unmanned vehicle using the antenna
It is bright.
Embodiment one
Fig. 1 is the structural schematic diagram in the first face of the antenna that the embodiment of the present invention one provides.Fig. 2 is the embodiment of the present invention one
The structural schematic diagram in the second face of the antenna of offer.Fig. 3 is that the antenna that the embodiment of the present invention one provides is mounted on standing in horn
Body schematic diagram.Shown in Fig. 3, the present invention provides a kind of antenna, can be applicable on unmanned vehicle, the antenna 10
Including：Substrate 101, radiating element, antenna ground unit, feeding coaxial lines 110, first through hole 111, the second through-hole 112, via
113 and choke 114.
Substrate 101 has opposite the first face and the second face.Substrate 101 is the substrate made of the material of FR-4 grades.
Wherein, substrate 101 can be printed circuit board (Printed Circuit Board, abbreviation PCB), that is to say, that the present embodiment
Antenna 10 can be specifically pcb board antenna.Specifically, the radiating element, the antenna unit can be by being located at substrate
Metal (such as copper sheet) on 101 is made.
The radiating element includes the first irradiation unit and the second irradiation unit being electrically connected to each other, wherein first irradiation unit
It is arranged and returns ground wire 104 in the first face of substrate 101, including microstrip feed line 102, antenna oscillator arm 103, antenna.Second spoke
The portion of penetrating is arranged in the second face of substrate 101, equally includes microstrip feed line 105, antenna oscillator arm 106, antenna time ground wire 107.
The antenna unit include the first antenna being electrically connected to each other ground portion 108 and the second antenna ground portion 109, first day
Line portion 108 be arranged on the first face of substrate 101, the second antenna portion 109 be arranged on the second face of substrate 101.
In one embodiment, the radiating element and the antenna unit be arranged all along the edge of substrate 101, this
Sample can better ensure that the trend of electric current.
Specifically, the first end of microstrip feed line 102 is connect with the feed end of feeding coaxial lines 110, and the of microstrip feed line 102
Two ends are connect with antenna oscillator arm 103, antenna return ground wire 104 respectively with antenna oscillator arm 103, first antenna portion 108 connect.
First antenna portion 108 also connect with the ground terminal of feeding coaxial lines 110.
In one embodiment, microstrip feed line 102 and antenna return ground wire 104 and are mutually parallel, antenna oscillator arm 103 respectively with
Antenna returns ground wire 104 and microstrip feed line 102 is mutually perpendicular to；Alternatively, in another embodiment, microstrip feed line 102 is returned with antenna
Ground wire 104 forms U-shaped, and antenna oscillator arm 103 is vertical with microstrip feed line 102.
In one embodiment, antenna oscillator arm 103 is arranged along the length direction of substrate 101 at the edge of substrate 101.
Via 113 through first antenna portion 108, substrate 101 and the second antenna portion 109, the size of via 113 it is enough
Feeding coaxial lines 110 pass through.
The first end of feeding coaxial lines 110 is located at the first face of substrate 101, and the second ends of feeding coaxial lines 110 is from substrate
101 the first face passes through via 113 to reach the second face of substrate 101, the radiating element and the antenna unit pass through feedback
Electric coaxial line 110 is fed.Can also be the first end of feeding coaxial lines from substrate 101 it is appreciated that in other embodiments
Second face passes through the first face of the arrival substrate 101 of via 113.Here, there is no pass through substrate 101 to feeding coaxial lines 110
Sequential process imposes any restrictions.
Feeding coaxial lines 110 have outer conductor, inner wire and exhausted between the outer conductor and the inner wire
Edge dielectric layer, wherein the inner wire is stretched out from the first end of feeding coaxial lines 110 to be radiated as its feed end and described first
Portion connects, and the outer conductor of feeding coaxial lines 110 is its ground terminal with being close to the second antenna portion 109.In one embodiment, it feeds
The feed end of coaxial line 110 is located at the first face of substrate 101, and the ground terminal of feeding coaxial lines 110 is located at the second of substrate 101
Face.
In the second face of substrate 101, the first end of microstrip feed line 105 passes through first through hole 111 and feeding coaxial lines 110
Feed end connects, and the second end of microstrip feed line 105 connect with antenna oscillator arm 106, antenna time ground wire 107 respectively with antenna oscillator
Arm 106, the second antenna portion 109 connect.Second irradiation unit can join in the arrangement mode in the second face of substrate 101, structure
According to first irradiation unit in 101 first face of substrate, which is not described herein again.
Feeding coaxial lines 110 are equipped with choke 114, for that will pass through motor lines, the lamp plate line etc. in 101 second face of substrate
Various lines and feeding coaxial lines 110 are bundled together, and with being close to the second antenna portion 109.In one embodiment, choke
114 be conducting adhesive cloth.It is appreciated that in other embodiments, choke 114 can also be copper pipe, metal webmaster or copper sheet etc.
Other metal materials that can be wrapped up do not make considered critical here.
Control the electric current on feeding coaxial lines by choke 114, the distortion of antenna radiation pattern can be prevented so that antenna
Situations such as energy radiated will not be folded by feeding coaxial lines is influenced, and the directional diagram of antenna is more stable.
Second through-hole 112 for through first antenna portion 108, substrate 101 and the second antenna portion 109, first antenna
With the second antenna portion 109 is connected by the way that the metalwork in the second through-hole 112 is arranged in ground portion 108.
In one embodiment, first antenna portion 108 and the second antenna portion 109 set along the length direction of substrate 101
Set on the first face and the second face of substrate 101, and first antenna portion 108 and the second antenna portion 109 on the substrate 101
Projected area is greater than or equal to the projected area of motor lines and lamp plate line on the substrate 101 in the horn of unmanned plane.It can manage
Solution, in other embodiments, as long as with ensureing the second antenna projected area of portion 109 on the substrate 101 is greater than or equal to nobody
The projected area of motor lines and lamp plate line on the substrate 101 in the horn of machine, first antenna 108 area of portion can omit
It is small also not related.
In addition, embodiment shown in figure, the second antenna portion 109, unmanned plane horn in motor lines and lamp plate line
It is all located at 101 lower edge of substrate, it will be understood that in other embodiments, can be arranged according to the concrete structure of antenna 10 and change
Second antenna portion 109, unmanned plane horn in motor lines and lamp plate line position on the substrate 101, can such as be located at base
Top edge or centre of plate 101 etc., if with can ensureing the second antenna portion 109, unmanned plane horn in motor lines and lamp
Printed line can project coincidence.
In one embodiment, first irradiation unit is identical with the outer profile of second irradiation unit, first antenna
The outer profile in the second antenna portion 109 of portion 108 is identical.That is, further ensure the current path length of antenna positive and negative
Consistency, to further ensure antenna both sides electromagnetic wave can under same resonant frequency resonance so that antenna
Performance more stablize, and convenient antenna make.
In one embodiment, the working frequency of antenna 10 is 900MHz.It is appreciated that in other embodiments, antenna
10 can also be operated in other frequency ranges, not limit strictly here.
In one embodiment, first antenna portion 108 along substrate 101 length be less than feeding coaxial lines 110 length.
The antenna 10 of the present embodiment specifically can be applicable on unmanned vehicle, it is to be understood that the unmanned vehicle
Body is matched with remote controler, the transmitting-receiving of signal is carried out by antenna 10, to realize body and the remote control of unmanned vehicle
Communication between device.It should be noted that the antenna 10 can also be applied on the device that other need receiving and transmitting signal.
Antenna 10 provided in this embodiment passes through portion the second antenna is arranged so that motor lines, lamp plate inside unmanned plane
The influence that the Internal cable such as the coaxial line of line and other antennas generate antenna is smaller, to enable the antenna in complicated electricity
It is worked normally under magnetic environment, i.e., antenna can be arranged in the horn that space is relatively large, environment is more complex, be set without limitation
It sets in the smaller tripod in space；In addition the first face and the second face of substrate all have irradiation unit, that is, the both sides of substrate generate
Radiation, to substantially increase the radiation efficiency of antenna, and feeding coaxial lines are equipped with choke, can effectively control feed
Electric current on coaxial line so that antenna performance is more stablized.
Wherein, the first end of feeding coaxial lines 110 can be made to be located at the side in the first face of substrate 101, feeding coaxial lines 110
Second end pass through via 113 to reach the second face of substrate 101, the outer conductor of electric coaxial line 110 with being close to the second antenna portion 109
Side, and with the second antenna portion 109 is electrically connected.The inner wire of feeding coaxial lines 110 extends to the spoke from its first end
It penetrates unit and is electrically connected with the microstrip feed line of the radiating element 102, with antenna unit passes through feed to make radiating element
Coaxial line 110 is fed.
Illustratively, as depicted in figs. 1 and 2, first antenna portion 108 be arranged in the side in the first face of substrate 101, institute
The first irradiation unit is stated to be arranged in the other side in the first face of substrate 101.Second antenna portion 109 be arranged the second of substrate 101
Face and the position that with first antenna portion 108 almost overlaps, second irradiation unit be arranged the second face of substrate 101 and with institute
State the position that the first irradiation unit almost overlaps.
Referring to figs. 1 to Fig. 3, when specific implementation, the second antenna portion 109 can be arranged close to 105 at one end of microstrip feed line
One pad, the second antenna portion 109 welded together by the outer conductor of first pad and feeding coaxial lines 110；Micro-strip
The at one end in close to first antenna the portion 108 of feeder line 102 can also be provided with the second pad, and microstrip feed line 102 passes through described
The inner wire of two pads and feeding coaxial lines 110 welds together.It is appreciated that in other embodiments, weldering can not also be used
Disk, directly in the second antenna part 109 and the junction of feeding coaxial lines 110, the company of microstrip feed line 102 and feeding coaxial lines 110
The place of connecing carries out a connection, does not make considered critical here.
Shown in referring to Figures 1 and 2, in the present embodiment, antenna 10 also has through first irradiation unit, substrate 101
With the first through hole 111 of second irradiation unit, first irradiation unit and second irradiation unit are logical first by setting
Metalwork connection in hole 111.That is, connected by through-hole between first irradiation unit and second irradiation unit
Mode connects.
In the present embodiment, also there is through first antenna portion 108, substrate 101 and the second antenna on the antenna 10
Second through-hole 112 in ground portion 109, first antenna portion 108 and the second antenna portion 109 by being arranged in the second through-hole 112
Metalwork connection.That is, first antenna portion 108 and the second antenna between portion 109 in such a way that through-hole connects
Connection.
When specific implementation, after opening up first through hole 111 and the second through-hole 112, respectively to 111 He of first through hole
Molten metal in second through-hole 112, can be by first irradiation unit and the second irradiation unit after the metal-cured cooling after melting
Be electrically connected, by first antenna portion 108 and the second antenna portion 109 be electrically connected.Certainly, metalwork can also
For the wire or metal wire being threaded through in first through hole 111 and the second through-hole 112.
When specific implementation, first through hole 111 can be multiple, for example, multiple first through hole 111 can be distributed in described first
Irradiation unit and each marginal position of the second irradiation unit.Second through-hole 112 can be multiple, for example, multiple second through-holes 112
It along first antenna can arrange close to the edge of radiating element side in portion 109 to portion 108 and the second antenna.Since antenna 10 exists
When work, the path of 10 positive and negative surface current of antenna is that the edge of along radiating element and antenna unit moves towards, by by
One through-hole 111 along radiating element edge arrange, by the second through-hole 112 along antenna unit edge arrange, to protect
The trend of electric current is demonstrate,proved.
For the quantity of first through hole 111 and the second through-hole 112, the present invention is not construed as limiting, as long as at least ensureing feeding
The feed end of coaxial line 110 nearby has sufficient amount of first through hole 111, (Fig. 3 near the ground terminal of feeding coaxial lines 110
Near the position of middle feeding coaxial lines setting) there is sufficient amount of second through-hole 112.
In one embodiment, first irradiation unit can be made identical with the outer profile of second irradiation unit, first day
Line with the second antenna portion 109 of portion 108 outer profile it is identical, that is, ensure that the electromagnetism wave energy in antenna 10 first face and the second face
The enough resonance under same resonant frequency so that the performance of antenna 10 is more stablized, and convenient antenna makes.It is appreciated that
In other embodiment, can also be first irradiation unit and second irradiation unit outer profile it is not quite identical, first day
Line portion 108 and the second antenna portion 109 outer profile it is not quite identical, it is roughly the same can.Because roughly the same
Situation, the as current path length in 101 first face of substrate and the second face also situation unanimous on the whole.
In one embodiment, first irradiation unit and second irradiation unit can be made to be integrally formed, first antenna
Portion 108 and the second antenna portion 109 be integrally formed, so that it is relatively reliable to make more convenient and mutual connection.
Certainly in other embodiments, each corresponding part can also be subsequently to be electrically connected again.
Fig. 4 is the antenna standing wave Parameter Map that the embodiment of the present invention one provides, as shown in figure 4, the antenna 10 of the present embodiment can
It is operated in 897MHz~935MHz, bandwidth 38MHz, the covering of common 900MHz frequency ranges can be met.Fig. 5 is that the present invention is implemented
Directional diagram of the antenna that example one provides on horizontal plane and vertical plane.Referring to Figure 5, the antenna 10 of the present embodiment exists
900MHz, (H-plane) still can keep omnidirectional in horizontal direction, and (E-plane) gain is larger in vertical direction, that is, should
Antenna 10 can realize that omnidirection covers in 900MHz.
The antenna 10 of the present embodiment is particularly formed as inverse-F antenna.Certainly, can also be monopole in other realization methods
Sub-antenna, dipole antenna etc., do not make considered critical here.
As shown in figure 3, when the antenna 10 is applied on unmanned vehicle, antenna 10 is specifically mounted on unmanned vehicle
In horn 120, there is rf board in horn 120, there is radio frequency interface on rf board, feeding coaxial lines 110 are far from its feed end
One end connect with radio frequency interface, to realize the signal between the body of unmanned vehicle and remote controler transmit.
Embodiment two
Fig. 6 is the structural schematic diagram of unmanned vehicle provided by Embodiment 2 of the present invention.In conjunction with shown in Fig. 1 to Fig. 5, this reality
It applies example and a kind of unmanned vehicle 20 is provided, for being communicated between the control terminals such as remote controler, to send unmanned vehicle
The information such as 20 flying speed, height, position, and the control instruction of remote controler is obtained to control the taking off of unmanned vehicle, fly
Row posture, direction, landing etc..
Wherein, unmanned vehicle 20 includes fuselage 121, is connected with horn 122 on fuselage 121, the end of horn 122 can be set
Power plant is set, power plant specifically may include：Rotor (not shown) and motor 123, motor 123 is for driving rotor
Rotation, to provide power for unmanned vehicle flight.The antenna provided in embodiment one is installed inside horn 122.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (13)
1. a kind of antenna, can be applicable on unmanned vehicle, which is characterized in that the antenna includes：
Substrate, the substrate have opposite the first face and the second face；
Radiating element, including the first irradiation unit and the second irradiation unit that are electrically connected to each other, wherein first irradiation unit setting exists
On first face of the substrate, second irradiation unit is arranged on second face；
Antenna ground unit, including the first antenna that is electrically connected to each other ground portion and the second antenna ground portion, wherein the first antenna
Portion be arranged on first face, second antenna portion be arranged on second face；
Via, through the first antenna portion, the substrate, second antenna ground portion；
Feeding coaxial lines, the feeding coaxial lines pass through the via and respectively with first irradiation unit and second antenna
Ground portion connects, and the feeding coaxial lines are equipped with choke；
Wherein, the radiating element and the antenna unit fed by the feeding coaxial lines.
2. antenna according to claim 1, which is characterized in that the foreign steamer of first irradiation unit and second irradiation unit
It is wide identical, the first antenna with second antenna portion of portion outer profile it is identical.
3. antenna according to claim 1, which is characterized in that further include：
First through hole, for run through first irradiation unit, the substrate and second irradiation unit, first irradiation unit and
Second irradiation unit is connected by the metalwork being arranged in the first through hole；
Second through-hole, for through the first antenna portion, the substrate and second antenna portion, the first antenna
With second antenna portion is connected by the way that the metalwork in second through-hole is arranged in ground portion.
4. antenna according to claim 1, which is characterized in that the feeding coaxial lines include outer conductor and inner wire；
The first end of the feeding coaxial lines is located at the first face of the substrate, and the inner wire extends to institute from the first end
It states the first irradiation unit and is electrically connected with first irradiation unit；
The second end of the feeding coaxial lines passes through the via to reach the second face of the substrate, the feeding coaxial lines it is outer
Conductor with being close to second antenna portion.
5. according to Claims 1 to 4 any one of them antenna, which is characterized in that first irradiation unit and second spoke
It includes microstrip feed line, antenna oscillator arm, time ground wire to penetrate portion；
Wherein, the first end of the microstrip feed line is connect with the feed end of the feeding coaxial lines, and the second of the microstrip feed line
End is connect with the antenna oscillator arm；
Described time ground wire respectively with the antenna oscillator arm, the antenna unit connect.
6. antenna according to claim 5, which is characterized in that it is mutually flat with the microstrip feed line that the antenna returns ground wire
Row；
The antenna oscillator arm is mutually perpendicular to described time ground wire and the microstrip feed line respectively；Alternatively,
The antenna returns ground wire and forms U-shaped with the microstrip feed line, and the antenna oscillator arm is vertical with the microstrip feed line.
7. antenna according to claim 5, which is characterized in that the antenna oscillator arm is set along the length direction of the substrate
It sets at the edge of the substrate.
8. antenna according to claim 1, which is characterized in that the first antenna portion and the second antenna portion along described
Substrate length direction setting on the substrate, and second antenna the projected area of portion on the substrate be more than or
Equal to the projected area of motor lines and lamp plate line on the substrate in the horn of unmanned plane.
9. antenna according to claim 1, which is characterized in that the substrate is the base made of the material of FR-4 grades
Plate.
10. antenna according to claim 1, which is characterized in that the working frequency of the antenna is 900MHz.
11. antenna according to claim 1, which is characterized in that first irradiation unit and second irradiation unit one
Molding；
The first antenna portion and second antenna portion be integrally formed.
12. according to claim 1~11 any one of them antenna, which is characterized in that the choke is copper pipe, metal mesh
Pipe, copper sheet or conducting adhesive cloth.
13. a kind of unmanned vehicle, which is characterized in that the horn being connect including fuselage, with the fuselage and such as claim 1
~12 any one of them antennas；
Wherein, the antenna is arranged in the horn.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950497.1A CN108767436B (en) | 2018-08-20 | 2018-08-20 | Antenna and unmanned aerial vehicle |
| PCT/CN2019/100917 WO2020038287A1 (en) | 2018-08-20 | 2019-08-16 | Antenna and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950497.1A CN108767436B (en) | 2018-08-20 | 2018-08-20 | Antenna and unmanned aerial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108767436A true CN108767436A (en) | 2018-11-06 |
| CN108767436B CN108767436B (en) | 2024-02-27 |
Family
ID=63967403
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950497.1A Active CN108767436B (en) | 2018-08-20 | 2018-08-20 | Antenna and unmanned aerial vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108767436B (en) |
| WO (1) | WO2020038287A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020038288A1 (en) * | 2018-08-20 | 2020-02-27 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned aerial vehicle |
| WO2020038369A1 (en) * | 2018-08-20 | 2020-02-27 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned aerial vehicle |
| WO2020038287A1 (en) * | 2018-08-20 | 2020-02-27 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned aerial vehicle |
| WO2021078199A1 (en) * | 2019-10-22 | 2021-04-29 | 深圳市道通智能航空技术有限公司 | Dual-band antenna and unmanned aerial vehicle |
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| CN208637583U (en) * | 2018-08-20 | 2019-03-22 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned vehicle |
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| CN105591196A (en) * | 2015-12-12 | 2016-05-18 | 浙江利尔达物联网技术有限公司 | Multi-sided PCB antenna |
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| WO2020038288A1 (en) * | 2018-08-20 | 2020-02-27 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned aerial vehicle |
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| WO2020038287A1 (en) * | 2018-08-20 | 2020-02-27 | 深圳市道通智能航空技术有限公司 | Antenna and unmanned aerial vehicle |
| WO2021078199A1 (en) * | 2019-10-22 | 2021-04-29 | 深圳市道通智能航空技术有限公司 | Dual-band antenna and unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108767436B (en) | 2024-02-27 |
| WO2020038287A1 (en) | 2020-02-27 |
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