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WO2020038369A1 - Antenne et véhicule aérien sans pilote - Google Patents

Antenne et véhicule aérien sans pilote Download PDF

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Publication number
WO2020038369A1
WO2020038369A1 PCT/CN2019/101612 CN2019101612W WO2020038369A1 WO 2020038369 A1 WO2020038369 A1 WO 2020038369A1 CN 2019101612 W CN2019101612 W CN 2019101612W WO 2020038369 A1 WO2020038369 A1 WO 2020038369A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
substrate
ground portion
antenna ground
line
Prior art date
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.)
Ceased
Application number
PCT/CN2019/101612
Other languages
English (en)
Chinese (zh)
Inventor
孙忆业
向胜昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autel Robotics Co Ltd
Original Assignee
Autel Robotics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Autel Robotics Co Ltd filed Critical Autel Robotics Co Ltd
Publication of WO2020038369A1 publication Critical patent/WO2020038369A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to the technical field of antennas, in particular to an antenna and an unmanned aerial vehicle.
  • UAV unmanned aerial vehicles
  • UAV which has the advantages of maneuverability, fast response, unmanned flight and so on.
  • Unmanned aerial vehicles are commonly used in military and civilian fields, and they are widely used in meteorology, agriculture, exploration, photography, transportation, and entertainment.
  • the UAV has an antenna, which transmits and receives signals through the antenna and transmits signals with the remote controller.
  • the existing built-in antennas of drones are generally installed in a tripod, which limits the size of the antenna.
  • the space of the drone arm is relatively large, the environment is more complex, which can easily affect the signal of the antenna and make the antenna It does not work properly, and the antenna performance is unstable due to the effects of coaxial current.
  • the present invention provides an antenna and an unmanned aerial vehicle to improve the stability of the antenna.
  • the present invention provides an antenna applicable to an unmanned aerial vehicle.
  • the antenna includes:
  • a substrate having a first surface and a second surface opposite to each other;
  • a radiation unit disposed on a first surface of the substrate
  • the antenna ground unit includes a first antenna ground portion and a second antenna ground portion electrically connected to each other, wherein the first antenna ground portion is disposed on the first surface, and the second antenna ground portion is disposed on the first surface. On both sides
  • the feeding coaxial line is close to the antenna ground unit
  • the radiating unit and the antenna ground unit are fed by the feeding coaxial line.
  • the antenna of the present invention is provided with a second antenna ground portion, so that internal cables such as a motor line, a light board line, and a coaxial line of other antennas in the drone have less influence on the antenna, so that the antenna can It works normally in a complex electromagnetic environment, that is, the antenna can be installed in a relatively large space and a complicated environment of the machine arm, and it is not necessary to be placed in a stand with a small space; in addition, the feeding coaxial line is close to the antenna The ground unit can effectively curb the current of the feeding coaxial line and make the antenna performance more stable.
  • the antenna further includes a through hole for penetrating the first antenna ground portion, the substrate, and the second antenna ground portion, the first antenna ground portion and the second antenna portion.
  • the antenna ground portion is connected by a metal piece provided in the through hole.
  • the first antenna ground portion, the substrate, and the second antenna ground portion are provided with through holes to connect the first antenna ground portion and the second antenna ground portion together, and the connection is made through the through hole connection, and the connection is convenient. , Reliable, and ensure the beauty of the antenna.
  • the radiating unit includes a microstrip feed line, an antenna element arm, and an antenna ground return line;
  • the first end of the microstrip feed line is connected to the feed end of the feed coaxial line, and the second end of the microstrip feed line is connected to the antenna element arm;
  • the antenna ground return line is respectively connected to the antenna element arm and the first antenna ground portion
  • the ground end of the feeding coaxial line is connected to the ground portion of the first antenna.
  • the antenna ground return line and the microstrip feed line are parallel to each other;
  • the antenna element arms are perpendicular to the ground return line and the microstrip feed line, respectively;
  • the antenna ground return line and the microstrip feed line form a U-shape, and the antenna element arm is perpendicular to the microstrip feed line.
  • the antenna element is disposed at an edge of the substrate along a length direction of the substrate.
  • the second antenna ground portion is disposed on the substrate along a length direction of the substrate, and a projection area of the second antenna ground portion on the substrate is greater than or equal to a drone The projected area of the motor wire and the lamp board wire in the camera arm on the substrate.
  • the substrate is a substrate made of FR-4 grade material.
  • a length of the first antenna ground portion along the substrate is shorter than a length of the feeding coaxial line.
  • the present invention provides an unmanned aerial vehicle, including a fuselage, an airframe connected to the airframe, and the antenna described above, wherein the antenna is disposed in the airframe.
  • FIG. 1 is a schematic structural diagram of a first surface of an antenna according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural diagram of a second surface of an antenna according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic perspective view of the antenna installed in the machine arm according to the first embodiment of the present invention.
  • Embodiment 4 is a standing wave parameter diagram of an antenna provided by Embodiment 1 of the present invention.
  • FIG. 5 is a directional diagram of the antenna provided on the horizontal plane and the vertical plane according to the first embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a body of an unmanned aerial vehicle provided in Embodiment 2 of the present invention.
  • orientations or positional relationships indicated by the terms “left”, “right”, “vertical”, and “lateral” are based on the orientations or positional relationships shown in the drawings, and only It is to facilitate the description of the invention and simplify the description, and does not indicate or imply that the device or element referred to must have a specific orientation, structure and operation in a specific orientation, so it cannot be understood as a limitation on the invention.
  • the terms “first”, “second”, “third”, “fourth”, etc. are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • the features defined as “first”, “second”, “third”, “fourth”, etc. may explicitly or implicitly include one or more of the features.
  • the terms “installation”, “connected”, and “connected” should be understood in a broad sense unless otherwise specified and limited. For example, they may be fixed connections, or may be connected. Disassembly connection, or integral connection; it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements.
  • Disassembly connection, or integral connection it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements.
  • the specific meanings of the above terms in the creation of the present invention can be understood through specific situations.
  • the antenna of the present invention and an unmanned aerial vehicle using the antenna will be described in detail through specific embodiments.
  • FIG. 1 is a schematic structural diagram of a first surface of an antenna according to a first embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a second surface of an antenna provided by Embodiment 1 of the present invention.
  • FIG. 3 is a schematic perspective view of the antenna installed in the machine arm according to the first embodiment of the present invention.
  • the present invention provides an antenna that can be applied to an unmanned aerial vehicle.
  • the antenna 10 includes a substrate 101, a radiating unit, an antenna ground unit, a feeding coaxial line 107, and a through hole 108. .
  • the substrate 101 has a first surface and a second surface opposite to each other.
  • the substrate 101 is a substrate made of a FR-4 grade material.
  • the substrate 101 may be a printed circuit board (PCB), that is, the antenna 10 in this embodiment may be a PCB antenna.
  • the radiating unit and the antenna ground unit may be made of a metal (such as a copper sheet) on the substrate 101.
  • the radiation unit is disposed on the first surface of the substrate 101.
  • the radiation unit includes a microstrip feed line 102, an antenna element arm 103, and an antenna return line 104.
  • the antenna ground unit includes a first antenna ground portion 105 and a second antenna ground portion 106 which are electrically connected to each other.
  • the first antenna ground portion 105 is provided on the first surface of the substrate 101, and the second antenna ground portion 106 is provided on the substrate 101. On the second side.
  • the first end of the microstrip feeder 102 is connected to the feeding end of the feeding coaxial line 107
  • the second end of the microstrip feeder 102 is connected to the antenna element arm 103
  • the antenna return ground line 104 is respectively connected to the antenna element arm 103
  • the first antenna ground portion 105 is connected.
  • the first antenna ground portion 105 is also connected to a ground terminal of the feeding coaxial line 107.
  • the microstrip feed line 102 and the antenna back ground line 104 are parallel to each other, and the antenna element arm 103 is perpendicular to the antenna back ground line 104 and the microstrip feed line 102, respectively; or, in another embodiment, the microstrip feed line 102 and the antenna return ground line 104 form a U-shape, and the antenna element arm 103 is perpendicular to the microstrip feed line 102.
  • the antenna element arm 103 is disposed on the edge of the substrate 101 along the length direction of the substrate 101.
  • the feeding coaxial line 107 is closely adjacent to the first antenna ground portion 105, and the radiating unit and the antenna ground unit are fed by the feeding coaxial line 107.
  • the feeding coaxial line 107 has an outer conductor, an inner conductor, and an insulating dielectric layer located between the outer conductor and the inner conductor.
  • the inner conductor of the feeding coaxial line 107 protrudes as its feeding end.
  • the outer conductor of the electric coaxial line 107 is its ground terminal.
  • the through hole 108 is used to penetrate the first antenna ground portion 105, the substrate 101, and the second antenna ground portion 106.
  • the first antenna ground portion 105 and the second antenna ground portion 106 are connected by a metal member provided in the through hole 108.
  • the second antenna ground portion 106 is disposed on the second surface of the substrate 101 along the length direction of the substrate 101, and the projection area of the second antenna ground portion 106 on the substrate 101 is greater than or equal to that of the drone. Projection area of the motor wire and the lamp board wire in the arm on the substrate 101.
  • the second antenna ground portion 106, the motor wires and the light board wires in the arm of the drone are located at the lower edge of the substrate 101. It can be understood that, in other embodiments, The specific structural setting of 10 changes the position of the second antenna ground portion 106, the motor wire and the lamp board line in the arm of the drone on the substrate 101, such as being located on the upper edge or the middle of the substrate 101, as long as the first The two antenna ground portions 106 and the motor wires and the lamp board wires in the arm of the drone can be projected to overlap.
  • the operating frequency of the antenna 10 is 900 MHz. It can be understood that, in other embodiments, the working frequency of the antenna 10 is not limited to 900 MHz, and may be other, which is not strictly limited here.
  • the length of the first antenna ground portion 105 along the substrate 101 is smaller than the length of the feeding coaxial line 107.
  • the antenna 10 of this embodiment can be specifically applied to an unmanned aerial vehicle. It can be understood that the body of the unmanned aerial vehicle is used in conjunction with a remote controller, and signals are transmitted and received through the antenna 10, thereby realizing the body of the unmanned aerial vehicle and the remote controller. Communication. It should be noted that the antenna 10 can also be applied to other devices that need to transmit and receive signals.
  • the antenna 10 provided in this embodiment has a second antenna ground portion, so that internal cables such as motor wires, lamp board lines, and coaxial lines of other antennas within the drone will have a smaller impact on the antenna, so that
  • the antenna can work normally in a complex electromagnetic environment, that is, the antenna can be installed in a relatively large space and a complicated environment of the machine arm, and it is not necessary to be placed in a stand with a small space; in addition, the coaxial line is closely attached
  • the ground of the first antenna can effectively curb the current of the coaxial line and make the antenna performance more stable.
  • the feeding coaxial line 107 can be located on one side of the first surface of the substrate 101, and the outer conductor of the feeding coaxial line 107 can be in close contact with one side of the first antenna ground portion 105 and be in contact with the first antenna ground portion 105. Electrical connection.
  • the inner conductor of the feeding coaxial line 107 extends to the radiating unit and is electrically connected to the microstrip feeding line 102 of the radiating unit, so that the radiating unit and the first antenna ground 105 are fed through the feeding coaxial line 107.
  • the first antenna ground portion 105 is disposed on one side of the first surface of the substrate 101, and the radiation unit is disposed on the other side of the first surface of the substrate 101.
  • the second antenna ground portion 106 is provided on a second surface of the substrate 101 at a position that almost coincides with the first antenna ground portion 105.
  • a first pad may be provided at one end of the first antenna ground portion 105 near the microstrip feed line 102, and the first antenna ground portion 105 and the feeding coaxial line through the first pad.
  • the outer conductors of 107 are welded together; a second pad may also be provided at one end of the microstrip feeder 102 near the first antenna ground 105, and the microstrip feeder 102 is connected to the coaxial cable 107 via the second pad.
  • the inner conductors are welded together. It can be understood that, in other embodiments, it is also possible to directly connect the first antenna portion 105 to the connection point of the feed coaxial line 107 and the connection point of the microstrip feed line 102 and the feed coaxial line 107 without a pad. It is not strictly limited here.
  • the feeding coaxial line 107 may also be located on one side of the second surface of the substrate 101, that is, both the feeding end and the ground terminal of the feeding coaxial line 107 are located on the first side of the substrate 101. Two sides; or, the feeding end of the feeding coaxial line 107 is located on the first side of the substrate 101, and the ground end of the feeding coaxial line 107 is close to the second antenna ground portion 106, etc., which can also achieve the above function.
  • the antenna 10 further includes a through hole 108 penetrating the first antenna ground portion 105, the substrate 101 and the second antenna ground portion 106, and the first antenna ground portion 105 It is connected to the second antenna ground portion 106 by a metal member provided in the through hole 108. That is, the first antenna ground portion 105 and the second antenna ground portion 106 are connected through a through-hole connection.
  • the metal part may also be a metal wire or a metal wire passing through the through hole 108.
  • multiple through holes 108 may be arranged along the edges of the first antenna ground portion 105 and the second antenna ground portion 106 near the antenna ground line 104.
  • the number of the through holes 108 is not limited in the present invention, as long as at least a sufficient number of through holes 108 is ensured near the feeding end of the feeding coaxial line 107.
  • FIG. 4 is an antenna standing wave parameter diagram provided by Embodiment 1 of the present invention.
  • the antenna 10 of this embodiment can work at 900 MHz to 932 MHz, and the bandwidth is 32 MHz, which can meet the coverage of the commonly used 900 MHz frequency band.
  • FIG. 5 is a directional diagram of the antenna provided on the horizontal plane and the vertical plane according to the first embodiment of the present invention. As shown in FIG. 5, the antenna 10 of this embodiment is at 900 MHz, and the horizontal direction (H-plane) can still maintain omnidirectional, and the vertical direction (E-plane) gain is large, that is, the antenna 10 can be at 900 MHz. Achieve omnidirectional coverage.
  • the antenna 10 of this embodiment is specifically formed as an inverted-F antenna.
  • monopole antennas, dipole antennas, etc. may also be used, which are not strictly limited here.
  • the antenna 10 when the antenna 10 is applied to an unmanned aerial vehicle, the antenna 10 is specifically installed in an arm 110 of the unmanned aerial vehicle (as shown in FIG. 3). It has a radio frequency interface, and the end of the feeding coaxial line 107 far from its feeding end is connected with the radio frequency interface, so as to realize signal transmission between the body of the unmanned aerial vehicle and the remote controller.
  • FIG. 6 is a schematic structural diagram of an unmanned aerial vehicle provided in Embodiment 2 of the present invention.
  • this embodiment provides an unmanned aerial vehicle 20 for communicating with a control terminal such as a remote controller to send information such as the flight speed, altitude, and position of the unmanned aerial vehicle 20, Obtain control instructions from the remote control to control the take-off, flight attitude, direction, landing, etc. of the UAV.
  • the unmanned aerial vehicle 20 includes a fuselage 121, and an organic arm 122 is connected to the fuselage 121.
  • a power unit may be provided at an end of the arm 122.
  • the power unit may specifically include a rotor (not shown in the figure) and a motor 123. 123 is used to drive the rotor to rotate, which provides power for unmanned aerial vehicle flight.
  • the antenna provided in the first embodiment is installed inside the arm 122.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

La présente invention concerne une antenne et un véhicule aérien sans pilote. L'antenne peut être appliquée au véhicule aérien sans pilote, et l'antenne comprend : un substrat, le substrat ayant une première surface et une seconde surface opposées l'une à l'autre ; une unité de rayonnement, disposée sur la première surface du substrat ; une unité de masse d'antenne, comprenant une première partie de masse d'antenne et une seconde partie de masse d'antenne qui sont électriquement connectées l'une à l'autre, la première partie de masse d'antenne étant disposée sur la première surface, et la seconde partie de masse d'antenne est disposée sur la seconde surface ; et une ligne coaxiale d'alimentation, étroitement fixée à l'unité de masse d'antenne. L'unité de rayonnement et l'unité de masse d'antenne sont alimentées au moyen de la ligne coaxiale d'alimentation. L'antenne de la présente invention présente une stabilité élevée.
PCT/CN2019/101612 2018-08-20 2019-08-20 Antenne et véhicule aérien sans pilote Ceased WO2020038369A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810948789.1A CN108767434B (zh) 2018-08-20 2018-08-20 天线及无人飞行器
CN201810948789.1 2018-08-20

Publications (1)

Publication Number Publication Date
WO2020038369A1 true WO2020038369A1 (fr) 2020-02-27

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PCT/CN2019/101612 Ceased WO2020038369A1 (fr) 2018-08-20 2019-08-20 Antenne et véhicule aérien sans pilote

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WO (1) WO2020038369A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767434B (zh) * 2018-08-20 2024-04-19 深圳市道通智能航空技术股份有限公司 天线及无人飞行器

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105811100A (zh) * 2016-04-29 2016-07-27 普联技术有限公司 一种插件天线、插件天线组件和通讯设备
WO2018094625A1 (fr) * 2016-11-23 2018-05-31 深圳市大疆创新科技有限公司 Châssis de véhicule aérien sans pilote, véhicule aérien sans pilote et procédé de commutation d'antenne
CN108417978A (zh) * 2018-02-14 2018-08-17 深圳市道通智能航空技术有限公司 无人机内置双频天线及无人机
CN108767434A (zh) * 2018-08-20 2018-11-06 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN108767436A (zh) * 2018-08-20 2018-11-06 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN108767435A (zh) * 2018-08-20 2018-11-06 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN208637582U (zh) * 2018-08-20 2019-03-22 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN208637581U (zh) * 2018-08-20 2019-03-22 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN208637583U (zh) * 2018-08-20 2019-03-22 深圳市道通智能航空技术有限公司 天线及无人飞行器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI321867B (en) * 2006-09-04 2010-03-11 Arcadyan Technology Corp Flat antenna
CN103474762B (zh) * 2013-08-13 2015-09-23 北京航空航天大学 基于双面平行线馈电结构的宽频带多频段印制天线
CN206907920U (zh) * 2016-12-14 2018-01-19 深圳市道通智能航空技术有限公司 一种双频段微带天线及应用该天线的无人机

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105811100A (zh) * 2016-04-29 2016-07-27 普联技术有限公司 一种插件天线、插件天线组件和通讯设备
WO2018094625A1 (fr) * 2016-11-23 2018-05-31 深圳市大疆创新科技有限公司 Châssis de véhicule aérien sans pilote, véhicule aérien sans pilote et procédé de commutation d'antenne
CN108417978A (zh) * 2018-02-14 2018-08-17 深圳市道通智能航空技术有限公司 无人机内置双频天线及无人机
CN108767434A (zh) * 2018-08-20 2018-11-06 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN108767436A (zh) * 2018-08-20 2018-11-06 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN108767435A (zh) * 2018-08-20 2018-11-06 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN208637582U (zh) * 2018-08-20 2019-03-22 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN208637581U (zh) * 2018-08-20 2019-03-22 深圳市道通智能航空技术有限公司 天线及无人飞行器
CN208637583U (zh) * 2018-08-20 2019-03-22 深圳市道通智能航空技术有限公司 天线及无人飞行器

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