阅读说明：本技术 偶极子天线及无人机 (Dipole antenna and unmanned aerial vehicle ) 是由 李栋 高志涛 于 2018-01-05 设计创作，主要内容包括：本发明实施例公开了一种偶极子天线及无人机,所述偶极子天线包括：PCB板、第一振子单元和第二振子单元,所述第一振子单元为螺旋型天线,并且螺旋式地绕设在所述PCB板的外侧,所述第一振子单元与所述第二振子单元共同形成半波偶极子天线。该偶极子天线体积小,方便安装在微型无人机上,满足无人机的小型化需求。同时,第一振子单元和第二振子单元共同形成的偶极子天线,其辐射效率高,使得无人机可以通过该偶极子天线与外界进行精准通信,进而提高了无人机的工作可靠性。(The embodiment of the invention discloses a dipole antenna and an unmanned aerial vehicle, wherein the dipole antenna comprises: the antenna comprises a PCB, a first oscillator unit and a second oscillator unit, wherein the first oscillator unit is a spiral antenna and spirally wound on the outer side of the PCB, and the first oscillator unit and the second oscillator unit jointly form a half-wave dipole antenna. This dipole antenna is small, and convenient installation satisfies unmanned aerial vehicle's miniaturized demand on miniature unmanned aerial vehicle. Simultaneously, the dipole antenna that first oscillator unit and second oscillator unit formed jointly, its radiating efficiency is high for unmanned aerial vehicle can carry out accurate communication through this dipole antenna and external world, and then has improved unmanned aerial vehicle's operational reliability.)

A dipole antenna, comprising: the antenna comprises a PCB, a first oscillator unit and a second oscillator unit, wherein the first oscillator unit is a spiral antenna and spirally wound on the outer side of the PCB, and the first oscillator unit and the second oscillator unit jointly form a half-wave dipole antenna.

A dipole antenna according to claim 1, wherein said first element is spirally wound around an upper half portion of said PCB board and extends toward an upper end portion of said PCB board.

A dipole antenna according to claim 2 and wherein said first element is a first helical wire.

A dipole antenna according to claim 3, wherein a first groove is provided in a side wall of the upper half of said PCB board, said first helical wire being secured in said first groove.

A dipole antenna according to claim 4, wherein said first helical wire is soldered in said first groove.

A dipole antenna according to any of claims 3-5, wherein said first helical wire is a metal spring.

Dipole antenna according to any of claims 1-6, wherein said first element and said second element are fed by means of coaxial lines.

The dipole antenna of claim 7, wherein the feeding end of the first element unit and the feeding end of the second element unit are respectively connected with the coaxial lines by welding.

A dipole antenna according to claim 7 or 8, wherein said PCB board comprises a first land and a second land, wherein

The feeding end of the first oscillator unit and the coaxial line are welded on the first bonding pad, so that the first oscillator unit is connected with the coaxial line through the first bonding pad;

and the feeding end of the second oscillator unit and the coaxial line are welded on the second bonding pad, so that the second oscillator unit is connected with the coaxial line through the second bonding pad.

A dipole antenna according to claim 9, wherein said feeding end of said first element is connected to an inner conductor of said coaxial line, and said feeding end of said second element is connected to an outer conductor of said coaxial line.

A dipole antenna according to claim 9, wherein said feeding end of said first element is connected to an outer conductor of said coaxial line, and said feeding end of said second element is connected to an inner conductor of said coaxial line.

A dipole antenna according to claim 9, wherein said first land and said second land are on the same side of said PCB board.

A dipole antenna according to any of claims 9-12 and wherein said second element is helically wound around the outside of said PCB.

The dipole antenna of claim 13 wherein said second element member is helically wound about a lower half of said PCB and extends toward a lower end of said PCB.

A dipole antenna according to claim 14 and wherein said second element is a second helical wire.

A dipole antenna according to claim 15 and wherein said side wall of said lower half of said PCB board has a second groove disposed therein, said second helical wire being secured in said second groove.

A dipole antenna according to claim 16 and wherein said second spiral wire is bonded in said second groove.

A dipole antenna according to any of claims 15-17, wherein said second helical wire is a metal spring.

The dipole antenna of claim 18 wherein said PCB board is a trapezoidal shaped PCB board, said first element is a first conical helical wire, and said second element is a second conical helical wire, wherein,

the first conical spiral metal wire is wound on the upper half part of the PCB, and the second conical spiral metal wire is wound on the lower half part of the PCB.

A dipole antenna according to claim 19 wherein said upper half of said PCB board has a width less than a width of said lower half, said first conical helical wire having a maximum helical diameter less than a minimum helical diameter of said second conical helical wire.

A dipole antenna according to claim 20, wherein said first conical helical wire and said second conical helical wire lie in the same conical plane.

A dipole antenna according to any of claims 13-21, wherein a first positioning portion and a second positioning portion are provided between an upper half and a lower half of said PCB board, wherein,

the first oscillator unit extends from the first positioning part to the upper end part of the PCB in a spiral manner;

the second vibrator unit extends spirally from the second positioning portion toward a lower end portion of the PCB board.

A dipole antenna according to claim 22, wherein said first land is provided on said first positioning portion, and said second land is provided on said second positioning portion.

A dipole antenna according to any of claims 9-12 and wherein said second element is a planar printed antenna disposed on said PCB board.

A dipole antenna according to claim 24 and wherein said second element is disposed on a lower half of said PCB.

The dipole antenna of claim 25, wherein a stop portion extending outward is disposed between the lower half portion and the upper half portion of the PCB, a bottom portion of the first element unit abuts against the stop portion, and a top portion of the first element unit spirally extends toward an upper end portion of the PCB.

A dipole antenna according to any of claims 24-26 and wherein said second element is "L" shaped.

A dipole antenna according to claim 27 and wherein said first land and said second land are each disposed on a lower half of said PCB board.

A dipole antenna according to claim 28 and wherein said second element, said first land and said second land are all located on the same side of said PCB board.

A dipole antenna according to claim 29 and wherein said second bonding pad is disposed on said second element unit.

An unmanned aerial vehicle, comprising: a transmit/receive control unit and the dipole antenna of any of claims 1-30;

and the dipole antenna is electrically connected with the transceiving control unit and is used for communicating with a ground control station under the control of the transceiving control unit.

The drone of claim 31, further comprising a flight controller, wherein,

the receiving and transmitting control unit is used for controlling the dipole antenna to receive the control signal sent by the ground control station and sending the control signal to the flight controller;

the flight controller is electrically connected with the transceiving control unit and used for controlling the unmanned aerial vehicle according to the control signal.

The drone of claim 32, further comprising a camera,

the camera is connected with the flight controller and is used for aerial photography under the control of the flight controller to form an image signal;

the flight controller is specifically configured to control the transceiver control unit to send the image signal to the ground control station through the dipole antenna.