WO2018036095A1

WO2018036095A1 - Smart power inspection unmanned aerial vehicle provided with magnetic field intensity detector

Info

Publication number: WO2018036095A1
Application number: PCT/CN2017/071364
Authority: WO
Inventors: 欧志洪
Original assignee: 欧志洪
Priority date: 2016-08-25
Filing date: 2017-01-17
Publication date: 2018-03-01
Also published as: CN106143915A

Abstract

A smart power inspection unmanned aerial vehicle provided with a magnetic field intensity detector, comprising a vehicle body (2). Provided on top of the vehicle body (2) is a propeller (22) used for allowing the vehicle body (2) to ascend and descend. Provided within the vehicle body (2) are a motor (23) used for driving the rotation of the propeller (22), a battery cavity (24), and an electronic device cavity (25). Provided within the electronic device cavity (25) is a detection circuit. The detection circuit comprises a CPU and a communication module and a solenoid valve signal that are connected to the CPU. The communication module comprises a communication antenna. The solenoid valve is used for controlling the turning on of a magnetic field generator (21). Provided within the battery cavity (24) is a rechargeable battery. The rechargeable battery is used for supplying power to the detection circuit, the magnetic field generator (21), and the motor (23). A detection fixing mesa (26) is fixed at one side of the vehicle body (2) and the magnetic field generator (21) is fixed at the other side. A camera (34) and an electric field intensity detector (33) signal connected to the CPU are provided at the side of the detection fixing mesa (26). The camera (34) is provided under the detection fixing mesa (26). A magnetic block (11) is provided on a utility pole (1) of a power line, when the unmanned aerial vehicle needs to land, the magnetic field generator (21) generates a magnetic field so as to attach the unmanned aerial vehicle onto the utility pole (1), thus solving the problem with unmanned aerial vehicle parking.

Description

Intelligent power inspection drone with magnetic field strength detector

[0001] The present invention relates to an intelligent power inspection drone equipped with a magnetic field strength detector.

Background technique

[0002] At present, the drone is abbreviated as "UAV", abbreviated as "UAV", which is a non-manned aircraft operated by radio remote control equipment and self-provided program control device. A drone is actually a general term for an unmanned aerial vehicle. Various power equipment inspections using drones for power transmission, so that the power regulatory authorities can identify problems and maintain them to ensure the normal operation of the transmission network. The UAV inspection method has the advantages of high efficiency, fastness, reliability, low cost, and no geographical influence. However, many of the UAVs in the prior art are built in the antenna, so that when the UAV moves in the air, Communication quality will have a serious impact. In addition, if the communication quality of the UAV is required to have better performance, the antenna needs to be improved to make the antenna have better electrical performance, such as return loss, gain, frequency range, etc. Obtain high-quality communication signals to achieve the accuracy and accuracy of the UAV's line detection;

[0003] However, the landing and placement of drones is another big problem, and how to solve the placement is a new technical problem.

technical problem

Problem solution

Technical solution

[0004] It is an object of the present invention to overcome the above-discussed shortcomings and to provide an intelligent power inspection drone equipped with a magnetic field strength detector.

[0005] In order to achieve the above object, a specific solution of the present invention is as follows: A smart power inspection drone equipped with a magnetic field strength detector includes a body, and a propeller for raising and lowering a body is provided at a top of the body, a motor for driving the rotation of the propeller is arranged in the machine body; a battery chamber and an electronic device cavity are arranged in the body; a magnetic field generator is fixed on one side of the body, and a detection fixed station is fixed on the other side of the body; The detection circuit includes a CPU and a camera and an electric field strength detector connected to the CPU signal, and the detection circuit further includes a communication module and a solenoid valve connected to the CPU signal; a battery for controlling the magnetic field generator; the camera is disposed under the detecting fixed stage, the electric field intensity detector is disposed on a side of the detecting fixed station; the battery chamber is provided with a rechargeable battery, and the rechargeable battery is used for The detection circuit, the magnetic field generator and the motor are powered; the communication module includes a communication antenna, and the communication antenna is disposed in the cavity of the electronic device.

[0006] wherein the communication antenna includes a PCB board, the PCB board is provided with a microstrip antenna, and the microstrip antenna includes two vibrator units symmetrically disposed above and below, and two microphones disposed between the two vibrator units. Each of the vibrating elements comprises a trapezoidal trapezoidal main radiating element and a rectangular main radiating element connected to the bottom edge of the trapezoidal main radiating element; and two oblique sides extending upward from the two oblique sides of the trapezoidal main radiating element a connecting arm, one end of each of the first connecting arms away from the trapezoidal main radiating unit is provided with a parallelogram first radiating arm, and a side of the first radiating arm to which the first connecting arm is connected further extends downward to have a second connection An arm, a second connecting arm extending away from the first radiating arm and extending a parallelogram of the second radiating arm;

[0007] a first radiation gap of a parallelogram is disposed in the first radiation arm; a plurality of second radiation gaps disposed in parallel and parallel to the quadrilateral are disposed in the second radiation arm; A plurality of sets of spoiler units arranged in a row, each spoiler unit including a τ-shaped gap having two directions reversely arranged.

[0008] wherein, there is also a rectangular parasitic oscillator arm near the top edge of the trapezoidal main radiating element.

[0009] wherein the number of second radiation gaps on each of the second radiation arms is four.

[0010] wherein each of the second radiating arms and the adjacent one of the second radiating arms are provided with a zigzag structure.

[0011] wherein, each of the vibrator units is coupled to a corresponding feed piece.

[0012] wherein, a periphery of the PCB board is provided with a circle of microstrip isolation arms.

[0013] wherein the detection circuit further includes a storage recording device, and the storage recording device is configured to record the monitoring data.

The storage recording device is connected to the CPU signal;

[0014] The detecting circuit further includes a heat source detector, wherein the heat source detector is configured to monitor a flammable point, the heat source detector is connected to a CPU signal, and the heat source detector is disposed at a side of the detecting fixed station;

[0015] The detecting circuit further includes a positioning module, the positioning module is configured to locate a position of the drone, and the positioning module is connected to the _CPU signal;

[0016] The detecting circuit further includes a magnetic field strength detector for monitoring the magnetic field strength, the magnetic field strength detector is connected to the CPU signal, and the magnetic field strength detector is disposed on the side of the detecting fixed station. Advantageous effects of the invention Beneficial effect

[0017] A magnet is arranged on the electric pole on the power line. When the drone needs to land, the magnetic field generator generates a magnetic field, and the drone is attached to the electric pole, thereby solving the problem of the drone parking. .

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of the present invention;

2 is a schematic block diagram of a detection circuit of the present invention;

3 is a schematic structural view of a communication antenna of the present invention;

4 is a partial enlarged view of FIG. 3;

[0022] FIG. 5 is a graph of a reflection loss (RetumLoss) of a communication antenna in a frequency band;

6 is a graph of radiation efficiency of a communication antenna in a frequency band; [0023] FIG.

7 is a graph of the resulting antenna gain in the frequency band of the communication antenna; [0024] FIG.

[0025] The reference numerals in FIGS. 1 to 7 illustrate:

1-wire pole; 11-magnet;

[0027] 2-body; 21-magnetic field generator; 22-propeller; 23-motor; 24-battery cavity; 25-electronic device cavity; 2 6-detecting fixed table;

[0028] 31-heat source detector; 32-magnetic field strength detector; 33- electric field strength detector; 34-camera;

[0029] P1-PCB board; P2-microstrip isolation arm; P3-feeder; P41-trapezoidal main radiating element; P42-rectangular main radiating element; P51-first connecting arm; P52-second connecting arm; P61 - first radiating arm; P62 - second radiating arm; P71 - first radiating notch; P72 - second radiating notch; P8 - rectangular parasitic vibrator arm; P9-T-shaped notch.

Embodiments of the invention

The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, which are not intended to limit the scope of the invention.

[0031] As shown in FIG. 1 to FIG. 7 , an intelligent power inspection drone equipped with a magnetic field strength detector according to the embodiment includes a body 2, and the top of the body 2 is provided for the body 2 a rising and falling propeller 22, a motor 23 for driving the rotation of the propeller 22 is disposed in the body 2; a battery chamber 24 and an electronic device chamber 25 are disposed in the body 2; a magnetic field generator 21 is fixed on the side of the body 2, and another body 2 is fixed on the side a fixed fixing table 26 is fixed on the side; a detection circuit is disposed in the electronic device cavity 25; the detection circuit includes a CPU, and a camera 34 connected to the CPU signal and an electric field strength detector 33. The detection circuit further includes a communication module and a solenoid valve connected to the CPU signal; The electromagnetic valve is used for controlling the stimuli of the magnetic field generator 21; the camera 34 is disposed below the detecting fixed table 26, the electric field intensity detector 33 is disposed at the side of the detecting fixing station 26; and the battery chamber 24 is provided with a rechargeable battery The rechargeable battery is used to supply power to the detection circuit, the magnetic field generator 21 and the motor 23; the communication module includes a communication antenna, and the communication antenna is disposed in the electronic device cavity 25. A magnet 11 is arranged on the utility pole 1 on the power line. When the drone needs to land, the magnetic field generator generates a magnetic field, and the drone is attached to the utility pole 1 to solve the problem of the drone being parked. .

An intelligent power patrol drone equipped with a magnetic field strength detector, the communication antenna includes a PCB board P1, and the PCB board PI is provided with a microstrip antenna, and the microstrip antenna is provided in the embodiment. The utility model comprises two vibrator units arranged symmetrically above and below, and two feeding pieces P3 arranged in the middle of the two vibrating unit; each vibrating unit comprises a trapezoidal main radiating element P41 and a bottom side of the trapezoidal main radiating unit P41. a rectangular main radiating unit P42; two first connecting arms P51 extending upward from the two oblique sides of the trapezoidal main radiating unit P41, and each end of the first connecting arm P51 away from the trapezoidal main radiating unit P41 is provided with a parallelogram The first radiating arm P61, the first connecting arm P51 of the first radiating arm P61 is further extended downwardly with a second connecting arm P52, and the second connecting arm P52 extends away from the end of the first radiating arm P61. a second radiating arm P62 of a parallelogram; a first radiating notch P71 of a parallelogram is disposed in the first radiating arm P61; and a plurality of parallel radiating arms P62 are disposed in parallel and parallel to each other A second radiation-shaped notch P72; said rectangular unit is provided with a spoiler on the plurality of sets are arranged P42 main radiating element, each spoiler means comprises a T-shaped notch P9 oppositely disposed two directions. The T-shaped notch P9 effectively increases the current length, so that the gain also increases, and does not excessively destroy the standing wave ratio. Designing an excellent antenna to improve communication performance will have a better effect on the intelligent experience. Please refer to Figure 5 for the communication band of the main smart device in the frequency band around 910MHz;

It is a graph of the reflection loss Return Loss obtained by the communication antenna of the present invention at different frequencies. The reflection loss shows the ratio of the forward wave power to the reflected wave power. The lower the reflection loss, the smaller the antenna reflection and the larger the antenna radiation power. The communication antenna of the present embodiment was tested, and the results showed the reflection loss obtained by the antenna structure of the present embodiment at different frequencies. As shown in FIG. 5, the antenna structure of this embodiment is in a very high frequency band, for example, a frequency band of 902 MHz to 928 MHz suitable for a radio frequency identification tag. The reflected loss of performance meets certain requirements, and the antenna structure of this embodiment can be operated in Ultm-High Frequency, UHF. In detail, in the frequency band including 902 MHz to 928 MHz, the reflection loss of the antenna structure of this embodiment is less than -10 dB. As shown by the marker points P1 and P2 in FIG. 5, the reflection loss values obtained by the communication antenna of the present embodiment at two specific frequencies of 902 MHz and 928 MHz are about -10.386 dB and -12.488 dB, respectively. Please refer to FIG. 6 , which is a graph of radiation efficiency obtained by the communication antenna of the present invention at different frequencies. The antenna structure of this embodiment was tested, and the results showed the radiation efficiency obtained by the antenna structure of the present embodiment at different frequencies. As shown in FIG. 6, the radiation efficiency of the antenna structure of this embodiment is about ₆₀ % on average in a frequency band including 902 MHz to 928 MHz. Please refer to FIG. 7. FIG. 7 is a graph of antenna gain antenna gain obtained by the communication antenna of the present invention at different frequencies. The antenna structure of this embodiment was tested, and the results showed the antenna gain obtained by the antenna structure of the present embodiment at different frequencies. As shown in FIG. 7, in the frequency band including 902 MHz to 928 MHz, the maximum gain obtained by the antenna structure of this embodiment can reach 4.4 dBi.

[0033] With reference to FIG. 4 as a reference direction, the communication antenna is a non-size required antenna, as long as the above requirements are met in the manner of the holes and holes provided in the bending direction; but if better stable performance is required, the antenna The specific dimensions can be optimized as follows: PCB board size is not limited, the width and vertical height of each feeder sheet are: 12mm and 3.5mm respectively; the long base of the trapezoidal main radiating element is 28mm, and the short top side is: 9.5mm , height: 3.6mm; the horizontal length of the rectangular main radiating element is 28mm, the height is: 5mm; the vertical length of the first connecting arm is: 10mm, the line width is: 1.8mm; the short side of the first radiating arm is long It is 5.8mm, the length of the long side is: 15m m, the angle between the acute angle of the short side and the long side is: 70 degrees; the length of the short side of the second radiating arm is 5.8mm, and the length of the long side is: 9.5mm,

The acute angle between the short side and the long side is: 70 degrees; the line width of the second connecting arm is not more than 1 mm, and the side length is not more than 2 mm; the short side of the first radiation gap is 3.0 mm, and the length of the long side is: 9.5mm, the acute angle between the short side and the long side is: 70 degrees, the short side of the second radiating notch is 0.6mm, the length of the long side is 3.5mm, and the angle between the short side and the long side is: 70 degree. The horizontal distance between two adjacent second radiation notches is: 0.5 mm; the line width of the T-shaped notch is: 0.3 mm, the length of the cross bar is 1.7 mm, and the height of the longitudinal bar is: 1.8 mm; two adjacent The distance between the longitudinal bars of the T-notch is: 0.9 mm.

[0034] The intelligent power inspection drone provided with the magnetic field strength detector according to the embodiment further includes A rectangular parasitic vibrator arm P8 near the top of the trapezoidal main radiating element P41. Can effectively increase the gain and enhance stability.

[0035] In the smart power inspection drone provided with the magnetic field strength detector, the number of the second radiation notches P72 on each of the second radiating arms P62 is four. The number of second radiation gaps P72 can effectively increase the current length so that the gain is also increased without excessively destroying the standing wave ratio.

[0036] The intelligent power inspection drone provided with the magnetic field strength detector according to the embodiment has a sawtooth on each side of the second radiation arm P62 and the adjacent another second radiation arm P62. Structure.

[0037] An intelligent power inspection drone equipped with a magnetic field strength detector according to the embodiment, wherein each of the vibrator units is coupled to a corresponding feed piece P3. Reduce mutual coupling.

[0038] A smart power inspection drone equipped with a magnetic field strength detector according to the embodiment has a microstrip isolation arm P2 on the periphery of the PCB P1 to increase the isolation.

[0039] A smart power inspection drone provided with a magnetic field strength detector according to the embodiment, the detection circuit further includes a storage recording device, wherein the storage recording device is configured to record monitoring data, and the storage record The device is connected to the CPU signal;

[0040] An intelligent power inspection drone equipped with a magnetic field strength detector according to the embodiment, the detection circuit further includes a heat source detector 31, wherein the heat source detector 31 is configured to monitor a flammable point, The heat source detector 31 is connected to the CPU signal, and the heat source detector 31 is provided on the side of the detecting fixed table 26.

[0041] The intelligent power inspection drone provided with the magnetic field strength detector according to the embodiment, the detection circuit further includes a positioning module, wherein the positioning module is used to locate the position of the drone, and the positioning The module is connected to the CPU signal.

[0042] An intelligent power inspection drone equipped with a magnetic field strength detector according to the embodiment, the detection circuit further includes a magnetic field strength detector 32, wherein the magnetic field strength detector 32 is used to monitor the magnetic field strength. The magnetic field strength detector 32 is connected to the CPU signal, and the magnetic field strength detector 32 is disposed on the side of the detection fixing station 26.

The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features and principles described in the scope of the present patent application are included in the protection of the present patent application. Within the scope

Claims

Claim

[Claim 1] A smart power inspection drone equipped with a magnetic field strength detector, characterized in that: "including a body (2), the top of the body (2) is provided for raising the body (2) and a descending propeller (22), a motor (23) for driving the propeller (22) to rotate in the body (2), a battery chamber (24) and an electronic device chamber (25) in the body (2); a side surface is fixed with a magnetic field generator (21), and the other side of the body (2) is fixed with a detection fixing station (26); a detection circuit is disposed in the electronic device cavity (25); the detection circuit includes a CPU, And a camera (34) and an electric field strength detector (33) connected to the CPU signal, the detecting circuit further comprises a communication module and a solenoid valve connected to the CPU signal; and the electromagnetic valve is used for controlling the communication of the magnetic field generator (21); The camera (34) is disposed under the detecting fixed table (26), the electric field intensity detector (33) is disposed on a side of the detecting and fixing station (26), and the battery chamber (24) is provided with a rechargeable battery. Rechargeable battery for detection circuit, magnetic field generator (21) And the motor (23) is powered; the communication module includes a communication antenna, the communication antenna is disposed in the electronic device cavity (25); the detection circuit further includes a magnetic field strength detector (32), and the magnetic field strength detector (32) For monitoring the magnetic field strength, the magnetic field strength detector (32) is connected to the CPU signal, the magnetic field strength detector (32) is disposed on the side of the detecting fixed station (26); the communication antenna includes a PCB board (P1), A microstrip antenna is disposed on the PCB board (P1), and the microstrip antenna includes two vibrator units symmetrically arranged vertically and two feed sheets (P3) disposed in the middle of the two vibrator units; each vibrator The unit includes a trapezoidal trapezoidal main radiating element (P41) and a rectangular main radiating element (P42) connected to the bottom edge of the trapezoidal main radiating element (P41); and upwardly extending from the two oblique sides of the trapezoidal main radiating element (P41) There are two first connecting arms (P51), one end of each first connecting arm (P51) away from the trapezoidal main radiating unit (P41) is provided with a parallelogram first radiating arm (P61), and the first radiating arm (P61) The first connection in the middle One side of the connecting arm (P51) also extends downwardly with a second connecting arm (P52), and the second connecting arm (P52) extends away from the end of the first radiating arm (P61) with a parallelogram of the second radiating arm (P62) The first radiation arm (P61) is provided with a parallelogram first radiation notch (P71); the second radiation arm (P62) is provided with a plurality of parallel arrangement And a second radiation notch (P72) of a parallelogram; the rectangular main radiating element (P42) is provided with a plurality of sets of arranged spoiler units, and each spoiler unit includes a T with two directions reversely arranged Shape notch (P9).

[Claim 2] A smart power inspection drone equipped with a magnetic field strength detector according to claim 1, further comprising a rectangular parasitic oscillator near a top edge of the trapezoidal main radiating element (P41) Arm (P8).

[Claim 3] A smart power inspection drone equipped with a magnetic field strength detector according to claim 1, wherein: a second radiation gap (P72) on each of the second radiation arms (P62)

The number is four.

[Claim 4] A smart power inspection drone equipped with a magnetic field strength detector according to claim 1, wherein: each second radiation arm (P62) and another adjacent second radiation The arms (P62) are provided with a zigzag structure on the sides.

[Claim 5] An intelligent power inspection UAV equipped with a magnetic field strength detector according to claim 1, wherein each of the vibrator units is coupled to a corresponding feed piece (P3).

[Claim 6] A smart power inspection drone equipped with a magnetic field strength detector according to claim 2, wherein: a microstrip isolation arm (P2) is disposed on the periphery of the PCB board (P1) )