CN106081106B - Wireless unmanned aerial vehicle that charges - Google Patents

Wireless unmanned aerial vehicle that charges Download PDF

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Publication number
CN106081106B
CN106081106B CN201610439072.5A CN201610439072A CN106081106B CN 106081106 B CN106081106 B CN 106081106B CN 201610439072 A CN201610439072 A CN 201610439072A CN 106081106 B CN106081106 B CN 106081106B
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Prior art keywords
unmanned aerial
aerial vehicle
arm support
mechanical leg
wireless charging
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CN106081106A (en
Inventor
刘均
刘新
宋朝忠
欧阳张鹏
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Shenzhen Launch Technology Co Ltd
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Shenzhen Launch Technology Co Ltd
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Priority to PCT/CN2016/107937 priority patent/WO2017215200A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/25Fixed-wing aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/02Aircraft not otherwise provided for characterised by special use
    • B64C39/024Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60FVEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
    • B60F5/00Other convertible vehicles, i.e. vehicles capable of travelling in or on different media
    • B60F5/02Other convertible vehicles, i.e. vehicles capable of travelling in or on different media convertible into aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/02Undercarriages
    • B64C25/08Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00Propulsion; Power supply
    • B64U50/30Supply or distribution of electrical power
    • B64U50/34In-flight charging
    • B64U50/35In-flight charging by wireless transmission, e.g. by induction
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Toys (AREA)

Abstract

The invention discloses a wireless charging unmanned aerial vehicle which comprises a vehicle body, wings, a bionic mechanical leg and a receiving device arranged on the vehicle body, wherein the receiving device is used for receiving energy emitted by an energy emitting device arranged on the ground, and the bionic mechanical leg is pivoted with the bottom of the vehicle body. According to the technical scheme, the receiving device arranged on the unmanned aerial vehicle body is matched with the energy transmitting device on the ground, so that the unmanned aerial vehicle has longer endurance time, and the convenience and the experience of a user are improved.

Description

Wireless unmanned aerial vehicle that charges
Technical Field
The invention relates to a wireless charging unmanned aerial vehicle.
Background
The unmanned plane is called unmanned plane for short, and is called UAV in English, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. At present, the application range of the unmanned aerial vehicle is widely applied to three fields of military, scientific research and civil use, and particularly is widely applied to the fields of electric power, communication, meteorology, agriculture, oceans, exploration, photography, disaster prevention and reduction, crop production estimation, drug control and smuggling, border patrol, public security and counter terrorism and the like. At present, the problem of short endurance time of related unmanned aerial vehicles mostly exists, and the application range and the experience of users are influenced.
Disclosure of Invention
The invention mainly aims to provide a wireless charging unmanned aerial vehicle, aiming at prolonging the endurance time of the unmanned aerial vehicle and improving the experience of a user.
In order to achieve the purpose, the wireless charging unmanned aerial vehicle provided by the invention comprises a body, wings, a bionic mechanical leg and a receiving device arranged on the body, wherein the receiving device is used for receiving energy emitted by an energy emitting device arranged on the ground, and the bionic mechanical leg is pivoted with the bottom of the body.
Preferably, the receiving device comprises a receiving antenna and a microwave rectifier, wherein the microwave rectifier is used for converting the microwaves collected by the receiving antenna into the high-voltage direct-current electric energy.
Preferably, the microwave rectifier is a gyrowave microwave rectifier.
Preferably, the receiving antenna is arranged on the bionic mechanical leg.
Preferably, the receiving antenna is a bionic mechanical leg.
Preferably, the bionic mechanical leg comprises a first arm support pivoted with the bottom of the machine body and a second arm support pivoted with the first arm support, and servo motors are arranged at the joints of the machine body and the first arm support and at the joints of the first arm support and the second arm support and used for realizing rotation of the pivoted positions.
Preferably, wheels are arranged on one side, facing the advancing direction of the wireless charging unmanned aerial vehicle, of the arm body of the second arm support, a motor for driving the wheels to rotate is arranged in the second arm support, and angle fixing devices are arranged at the joints of the machine body and the first arm support and the joints of the first arm support and the second arm support.
Preferably, a cavity formed by sinking from the bottom is formed in the position, facing the bionic mechanical leg, of the bottom of the body, and the cavity is used for accommodating the bionic mechanical leg.
Preferably, the bionic mechanical leg is driven by the servo motor to take in/release the cavity along the axis direction of the body, so that the conversion between the ground running state and the air flying state of the wireless charging unmanned aerial vehicle is realized.
Preferably, the fuselage, the wings and the bionic mechanical legs are all of carbon fiber structures.
According to the technical scheme, the receiving device arranged on the unmanned aerial vehicle body is matched with the energy transmitting device on the ground, so that the unmanned aerial vehicle has longer endurance time, and the convenience and the experience of a user are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wireless charging unmanned aerial vehicle according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wireless charging drone according to a second embodiment of the present invention;
fig. 3 is a schematic view of another perspective of the wireless charging drone of fig. 1, wherein the biomimetic mechanical legs are not shown;
fig. 4 is a schematic working diagram of the receiving device and the ground energy transmitting device of the wireless charging unmanned aerial vehicle of the invention.
The reference numbers illustrate:
Figure BDA0001021344610000021
Figure BDA0001021344610000031
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the wireless charging unmanned aerial vehicle provided by the invention comprises a body 10, wings 20, a bionic mechanical leg 30 and a receiving device 50 arranged on the body 10, wherein the receiving device 50 is used for receiving energy emitted by an energy emitting device 40 arranged on the ground, and the bionic mechanical leg 30 is pivoted with the bottom of the body 10.
The wireless energy transmission system formed by the energy transmitting device 40 and the receiving device 50 on the ground is applied to the wireless charging scheme which is very popular at present, so that the device can be free from the constraint of wired power transmission, and the orientation of the device to be charged can be freely arranged according to the requirements of the application environment. The energy transmitting device 40 is arranged on the ground, and the receiving device 50 is arranged on the unmanned aerial vehicle and matched with a rechargeable battery (not shown), so that the unmanned aerial vehicle does not need to stop on the ground for wiring and charging, and the flight time of the unmanned aerial vehicle is greatly increased; meanwhile, the usage amount of the disposable non-rechargeable battery is greatly reduced, which is very beneficial to saving resources and protecting the environment.
Adopt screw or jet-propelled mode to impel during the air flight of unmanned aerial vehicle, through set up bionic mechanical leg 30 in fuselage 10 lower part, make unmanned aerial vehicle can walk on ground, strengthened unmanned aerial vehicle's environmental suitability.
Preferably, the receiving device 50 comprises a receiving antenna 51 and a microwave rectifier 52, wherein the microwave rectifier 52 is used for converting the microwaves collected by the receiving antenna 51 into high-voltage direct-current electric energy.
The energy transmitting device 40 disposed on the ground includes a power source 41, a microwave generator 42 and a transmitting antenna 43, wherein the microwave generator 42 is used for converting the electric energy transmitted by the power source 41 into microwaves and transmitting the microwaves through the transmitting antenna 43.
The microwave wireless energy transmission system adopted by the technical scheme of the invention can realize long-distance and high-power electric energy transmission, and the microwave is used as an energy carrier, so that the microwave wireless energy transmission system has the advantages of short wavelength, good directionality and small dispersion due to the self characteristics of the microwave, and can be used for realizing the long-distance electric energy transmission. The energy emission device 40 comprises a power supply 41, a microwave generator 42 and an emission antenna 43, wherein the power supply 41 is a variety of power sources available on the ground, including but not limited to various batteries, generators and other devices, especially clean energy from wind energy and solar energy conversion, and is more in line with the development theme of green and environmental protection in the current society; the microwave generator 42 is used for converting the electric energy from the power source 41 into high-power and high-frequency microwaves, and then transmitting the microwaves through the transmitting antenna 43.
Correspondingly, the receiving antenna 51 of the receiving device 50 arranged on the fuselage 10 collects the microwaves transmitted by the energy transmitting device 40 on the ground, and then the collected microwaves are converted into high-voltage direct-current electric energy required by the unmanned aerial vehicle to drive the unmanned aerial vehicle to work through the microwave rectifier 52, so that the whole working process of wireless energy transmission is realized.
Preferably, the microwave rectifier 52 is a gyrowave microwave rectifier.
The rectifier is a key device of wireless power transmission, the gyrowave microwave rectifier is suitable for high-power and high-voltage energy transmission, and the rectification efficiency of a single tube is close to 85%. The fundamental principle of the gyrotron microwave rectifier is that the fast gyrotron wave absorbs microwave energy in the resonant cavity in a resonant mode, the gyrotron microwave rectifier is essentially a direct-current power supply, can generally rapidly protect itself when a load is overloaded, and can rapidly and automatically recover normal operation when the overload disappears. In use, the input microwave frequency, the cavity frequency and the cyclotron frequency should be as close as possible.
Preferably, the receiving antenna 51 is arranged on the bionic mechanical leg 30.
Set up receiving antenna 51 and can let receiving antenna 50 additionally not stretch out on the surface of fuselage 10 on bionical mechanical leg 30, guaranteed unmanned aerial vehicle's best aerodynamic configuration, reduced air resistance, reduce the energy consumption.
Preferably, the receiving antenna 51 is a bionic mechanical leg 30.
As further optimization, receiving antenna 51 directly adopts bionical mechanical leg 30, combines together unmanned aerial vehicle's ground walking part and wireless energy receiving antenna to bionical mechanical leg 30 can adjust the angle with the pin joint of fuselage 10, lets receiving antenna 51 reach the best microwave receiving effect, need not additionally set up the antenna again simultaneously, is favorable to unmanned aerial vehicle's structural optimization design. Therefore, according to the technical scheme of the invention, the wireless energy transmission system receiving device 50 and the bionic mechanical leg 30 are combined, so that the unmanned aerial vehicle has longer endurance time, and the convenience and the experience of a user are improved.
Preferably, the bionic mechanical leg 30 includes a first arm support 31 pivotally connected to the bottom of the body 10 and a second arm support 32 pivotally connected to the first arm support 31, and servo motors (not shown) are disposed at a joint of the body 10 and the first arm support 31 and a joint of the first arm support 31 and the second arm support 32 to rotate at the pivotally connected position.
The bionic mechanical leg 30 arranged at the bottom of the unmanned aerial vehicle body 10 is in a two-section arm support form, so that the two legs of a human can be simulated to walk vertically, and the convenience and the practicability of the unmanned aerial vehicle walking on the ground are realized.
In the second embodiment, please refer to fig. 2, preferably, wheels 33 are disposed on one side of the arm body of the second arm support 32 facing the advancing direction of the wireless charging unmanned aerial vehicle, a motor (not shown) for driving the wheels 33 to rotate is disposed in the second arm support 32, and angle fixing devices are disposed at the connection between the machine body 10 and the first arm support 31 and at the connection between the first arm support 31 and the second arm support 32.
The second arm support 32 can be driven by the servo motor to rotate, the second arm support 32 rotates to a horizontal state, at the moment, the wheels 33 are in contact with the ground, and the wheels 33 rotate under the driving of the motor to enable the unmanned aerial vehicle to move forward; and first cantilever crane 31 also can rotate relative fuselage 10 bottom under servo motor drives to adjust unmanned aerial vehicle's terrain clearance, increase the obstacle throughput capacity of unmanned aerial vehicle when ground traveles. The angle fixing device who sets up between the movable part can guarantee that unmanned aerial vehicle is stable at the gesture that ground went, has improved the security.
Referring to fig. 3, preferably, a cavity 60 recessed from the bottom is formed at a position facing the biomimetic mechanical leg 30 at the bottom of the body 10, and the cavity 60 is used for accommodating the biomimetic mechanical leg 30.
The bionic mechanical legs 30 can be accommodated in the cavity 60 of the body 10 when the unmanned aerial vehicle takes off, so that the flight resistance is reduced, and the energy consumption is reduced. When walking or receiving microwave energy is needed, the bionic mechanical leg is put down.
Preferably, the bionic mechanical leg 30 is driven by a servo motor to retract/release the cavity 60 along the axis direction of the body 10, so that the wireless charging unmanned aerial vehicle can be switched between a ground driving state and an air flying state.
The servo motor is adopted to accurately control the retraction of the bionic mechanical leg 30, so that the unmanned aerial vehicle can accurately complete the conversion between ground driving and air flying, and the safety and the controllability are improved.
Preferably, the fuselage 10 and the wings 20 are both of carbon fiber structures, so that the weight and the energy consumption are reduced on the premise of ensuring the structural strength.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (5)

1. A wireless charging unmanned aerial vehicle is characterized by comprising a vehicle body, wings, a bionic mechanical leg and a receiving device arranged on the vehicle body, wherein the receiving device is used for receiving energy emitted by an energy emitting device arranged on the ground;
the bionic mechanical leg comprises a first arm support pivoted with the bottom of the machine body and a second arm support pivoted with the first arm support, and servo motors are arranged at the joint of the machine body and the first arm support and the joint of the first arm support and the second arm support and used for realizing rotation of the pivoted position;
wheels are arranged on one side, facing the advancing direction of the wireless charging unmanned aerial vehicle, of the arm body of the second arm support, a motor for driving the wheels to rotate is arranged in the second arm support, and angle fixing devices are arranged at the connecting part of the machine body and the first arm support and the connecting part of the first arm support and the second arm support;
the position of the bottom of the unmanned aerial vehicle body, which faces the bionic mechanical leg, is provided with a cavity formed by sinking from the bottom, the cavity is used for accommodating the bionic mechanical leg, and the bionic mechanical leg is driven by a servo motor to take in/out the cavity along the axis direction of the unmanned aerial vehicle body, so that the conversion of two states of the wireless charging unmanned aerial vehicle, namely ground driving and air flying is realized;
the first arm support is driven by a servo motor to rotate relative to the bottom of the unmanned aerial vehicle body so as to adjust the ground clearance of the unmanned aerial vehicle;
the receiving device comprises a receiving antenna and a microwave rectifier, wherein the microwave rectifier is used for converting microwaves collected by the receiving antenna into high-voltage direct-current electric energy.
2. The wireless charging drone of claim 1, wherein the microwave rectifier is a cyclic wave microwave rectifier.
3. The wireless charging unmanned aerial vehicle of claim 1, wherein the receiving antenna is disposed on a biomimetic mechanical leg.
4. The wireless charging unmanned aerial vehicle of claim 1, wherein the receiving antenna is a biomimetic mechanical leg.
5. The wireless unmanned aerial vehicle that charges of claim 1, characterized in that fuselage, wing are carbon fiber construction.
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