CN112202226A - Long-distance wireless power supply device for unmanned aerial vehicle - Google Patents

Long-distance wireless power supply device for unmanned aerial vehicle Download PDF

Info

Publication number
CN112202226A
CN112202226A CN202011075737.1A CN202011075737A CN112202226A CN 112202226 A CN112202226 A CN 112202226A CN 202011075737 A CN202011075737 A CN 202011075737A CN 112202226 A CN112202226 A CN 112202226A
Authority
CN
China
Prior art keywords
laser
unmanned aerial
aerial vehicle
photovoltaic cell
receiver
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.)
Granted
Application number
CN202011075737.1A
Other languages
Chinese (zh)
Other versions
CN112202226B (en
Inventor
徐万里
鲁长波
王长富
王旭东
周友杰
刘盼盼
李施展
陈今茂
安高军
吕立通
徐曦萌
孙彦丽
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.)
Institute Of Military New Energy Technology Institute Of Systems Engineering Academy Of Military Sciences
Original Assignee
Institute Of Military New Energy Technology Institute Of Systems Engineering Academy Of Military Sciences
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 Institute Of Military New Energy Technology Institute Of Systems Engineering Academy Of Military Sciences filed Critical Institute Of Military New Energy Technology Institute Of Systems Engineering Academy Of Military Sciences
Priority to CN202011075737.1A priority Critical patent/CN112202226B/en
Publication of CN112202226A publication Critical patent/CN112202226A/en
Application granted granted Critical
Publication of CN112202226B publication Critical patent/CN112202226B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/19—Propulsion using electrically powered motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/30—Circuit arrangements or systems for wireless supply or distribution of electric power using light, e.g. lasers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002—Generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/42—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/10—Air crafts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging

Landscapes

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

Abstract

The present specification discloses a remote wireless power supply apparatus for a drone, the apparatus comprising a laser emitting system, a receiver and a management system, wherein: the laser emission system comprises a power supply, a laser, an emission antenna and a tracking rotary table; the receiver comprises a photovoltaic cell panel, a heat dissipation module and a three-dimensional adjusting device, the photovoltaic cell panel is fixed on the unmanned aerial vehicle through the three-dimensional adjusting device, and the heat dissipation module is arranged on the back of the photovoltaic cell panel; the management system comprises a database and a controller, the controller receives data transmitted by the receiver in a wireless communication mode, processes the received data and sends control instructions to the laser, the tracking rotary table and the receiver; the management system controls the laser emission system to emit laser by calling the information in the database and receiving the data transmitted by the receiver so as to charge the unmanned aerial vehicle to be charged.

Description

Long-distance wireless power supply device for unmanned aerial vehicle
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a long-distance wireless power supply device for an unmanned aerial vehicle.
Background
Unmanned aerial vehicle is convenient because of its use, has the advantage of good economic nature, can replace traditional operation means in some high risk, high difficulty tasks, has extensive application in fields such as intelligence patrolling and examining, aerial photography survey and drawing, forest fire prevention. However, the unmanned aerial vehicle lacks long-endurance operation capability, and in order to guarantee endurance time and range, a power supply device needs to be established to complete long-distance, efficient and intelligent electric energy transmission of the unmanned aerial vehicle. At present, the unmanned aerial vehicle battery mainly adopts the charger to carry out wired charging, and the weak point lies in that the continuation of the journey mileage is short, needs carry out the dismouting to the battery, and different unmanned aerial vehicle's voltage platform differs with the interface that charges simultaneously, leads to personnel's participation higher, guarantee efficiency lower. In addition, wireless contact charges, adopts the unmanned aerial vehicle to descend on the flat board that charges and the mode of the gilt spring contact on the plane charges, and the shortcoming lies in that the interface that charges that exposes externally is wearing and tearing easily, corruption and scale deposit, and the charging environment adaptability when meetting sand blown by the wind, sleet, fallen leaves is relatively poor. In addition, an aerial wired charging mode is available, but the system is too complex, the manufacturing cost is high, and the stability and the reliability are further enhanced.
In the wireless field of charging of unmanned aerial vehicle, laser has good monochromaticity, directionality and high energy density, can realize long-range, powerful power transmission with less receiver area.
At present, an important factor limiting the development of a laser wireless power supply technology is the heat dissipation problem of a battery panel, the influence of overhigh temperature rise of a photovoltaic battery on energy transfer efficiency is great, and the problem of low energy transfer efficiency caused by high temperature cannot be effectively solved by the existing heat dissipation mode. Another important factor limiting the development of the laser wireless power supply technology is the problem of the incident angle of the battery panel and the laser, and the incident angle of the laser cannot be guaranteed to be vertical in the charging process, so that the charging efficiency is reduced. The problem that a charging device cannot be suitable for various machine types exists in the prior art.
Therefore, it is an urgent need to solve the problem of developing a remote wireless power supply device for an unmanned aerial vehicle to overcome the disadvantages of the prior art and improve the charging efficiency of the unmanned aerial vehicle,
disclosure of Invention
The present description provides a remote wireless power supply for unmanned aerial vehicles to overcome at least one technical problem in the prior art.
The embodiment of this specification provides a long distance wireless power supply device for unmanned aerial vehicle, includes laser emission system, receiver and management system, wherein: the laser emission system comprises a power supply, a laser, an emission antenna and a tracking rotary table, the power supply supplies power to the laser, the optical fiber output end of the laser is connected with the emission antenna, and the emission antenna is arranged on the tracking rotary table; the receiver comprises a photovoltaic cell panel, a heat dissipation module and a three-dimensional adjusting device, wherein a photosensitive sensor, a data acquisition module and a communication module are arranged on the photovoltaic cell panel; the photosensitive sensor is used for collecting the size of a light spot; the data acquisition module is used for acquiring voltage, current and charging power of the battery panel; the communication module is used for transmitting the position information and the environmental information of the unmanned aerial vehicle to be charged and the acquired data to a controller of the management system; the photovoltaic cell panel is fixed on the unmanned aerial vehicle through the three-dimensional adjusting device, and the heat dissipation module is arranged on the back of the photovoltaic cell panel; the management system comprises a database and a controller, wherein information in the database comprises identity ID of the unmanned aerial vehicle, receiving end area, receiving end type, power grade, rated power and optimal conversion efficiency value of the photovoltaic cell; the controller receives the data transmitted by the receiver in a wireless communication mode, processes the received data and sends control instructions to the laser, the tracking rotary table and the receiver; the management system controls the laser emission system to emit laser by calling the information in the database and receiving the data transmitted by the receiver so as to charge the unmanned aerial vehicle to be charged.
Optionally, the laser adopts a linear array semiconductor laser, and includes a plurality of laser single tubes, a first cylindrical mirror, a second cylindrical mirror, a first optical fiber, a second optical fiber, a first control module, and a second control module, wherein: the laser single tubes are symmetrically arranged and arranged in a ladder way to form a plurality of laser beams; the first cylindrical mirror is a plane convex cylindrical mirror, the second cylindrical mirror is a plane cylindrical mirror, the laser beams firstly pass through the first cylindrical mirror and then pass through the second cylindrical mirror, and the laser beams are combined into a first focusing beam and a second focusing beam after passing through the first cylindrical mirror and the second cylindrical mirror; outputting a first focused beam through the first optical fiber and a second focused beam through the second optical fiber; the first optical fiber output end is provided with a first control module, the second optical fiber output end is provided with a second control module, and the first control module and the second control module control the on-off of the optical fiber output end and adjust the distance and the emission angle of the two optical fibers by receiving a control instruction of the controller.
Optionally, a coarse adjustment motor and a fine adjustment motor are arranged inside the tracking rotary table, wherein: the coarse tuning motor is used for responding to a tracking process that the required angular speed is greater than a preset threshold value; the fine adjustment motor is used for responding to a tracking process that the required angular speed is not greater than a preset threshold value; the desired angular velocity is calculated by the controller of the management system from the received data.
Optionally, the heat dissipation module comprises heat pipes, heat dissipation fins, a temperature control switch and a thermoelectric generation fin, wherein the plurality of heat pipes are arranged in rows, adjacent rows are arranged in a staggered manner, and the heat pipes are vertically inserted into the parallel multi-layer heat dissipation fins; one end of the thermoelectric generation piece is attached to the radiating piece, the other end of the thermoelectric generation piece is attached to the back face of the photovoltaic cell panel, and heat-conducting silicone grease is coated between the thermoelectric generation piece and the photovoltaic cell panel; the temperature control switch is arranged in a control circuit of the unmanned aerial vehicle to be charged; when the temperature of the photovoltaic cell panel is lower than a preset first temperature threshold value, heat dissipation is carried out through the heat pipe and the heat dissipation fins; when the temperature of the photovoltaic cell panel is not lower than a preset first temperature threshold value, the heat of the photovoltaic cell panel is used for power generation through the thermoelectric generation piece; when the ambient temperature is lower than a preset second temperature threshold value, the temperature control switch is closed, and the generated energy of the temperature difference power generation sheet is used for heat supply of the unmanned aerial vehicle to be charged.
Optionally, the management system further includes a display module and a fault diagnosis module, wherein: the display module displays parameters in the charging process of the unmanned aerial vehicle through a human-computer interaction interface, and receives a manually input control instruction through the human-computer interaction interface; the fault diagnosis module judges the working state of the power supply device by detecting the charging parameter information of the unmanned aerial vehicle, and stops the charging process if the working state is judged to be abnormal.
The beneficial effects of the embodiment of the specification are as follows:
in the embodiment, the remote wireless power supply device for the unmanned aerial vehicle is disclosed, the device matches the model information of the unmanned aerial vehicle to be charged according to a pre-established database, determines the laser power level, the emitted light beam and the light spot size according to the model information of the unmanned aerial vehicle, and emits laser to a receiver on the unmanned aerial vehicle to be charged through a laser emission system so as to charge a battery panel of the receiver. In addition, through the communication module of receiver, the controller obtains the process and the parameter of charging of receiver in real time, adjusts the three-dimensional adjusting device of receiver in real time according to the parameter that obtains, guarantees that laser beam is perpendicular with the panel, guarantees charge efficiency. And, set up heat dissipation module in the receiver, can effectively solve the panel problem of generating heat.
The innovation points of the embodiment of the specification comprise:
1. in this embodiment, an unmanned aerial vehicle's long-range wireless charging device has been established, can realize distance self-adaptation, environment self-adaptation, angle self-adaptation based on the device, greatly improves the energy transfer efficiency, guarantees unmanned aerial vehicle's high-efficient charging to accomplish charging fast, be one of the innovation point of this specification embodiment.
2. In this embodiment, adopt the database, the data of multiple model unmanned aerial vehicle is saved for the laser instrument can be according to the laser of the power class transmission corresponding power of corresponding model, resources are saved when guaranteeing charge efficiency, avoid power low lead to charge time long excessively, avoid too big loss and the waste of resource to the panel of power simultaneously, and is further, the light beam number of laser instrument, facula size are adjustable, through the unmanned aerial vehicle information entry database with multiple model, make charging device can adapt to various model unmanned aerial vehicles, and the range of application is wide, is one of the innovation point of this description embodiment.
3. In this embodiment, the three-dimensional adjusting device is arranged at the receiver end, the controller judges the incident angle of the laser through the received real-time data, and the three-dimensional adjusting device is adjusted in real time, so that the laser is incident on the battery panel at a vertical angle in the charging process, and efficient charging is achieved.
4. In this embodiment, the receiver end is provided with heat dissipation module, heat dissipation module increases heat radiating area through the structure of arranging of heat pipe and fin, utilizes thermoelectric generation piece to turn into the electric energy with the heat of panel simultaneously when the temperature is higher to realize effectively dispelling the heat, control photovoltaic cell panel's temperature guarantees the charging performance of panel, improves unmanned aerial vehicle's charge efficiency, is one of the innovation point of this specification embodiment.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure 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 disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a remote wireless power supply device for a drone provided in an embodiment of the present specification;
fig. 2 is a schematic structural diagram of a laser of a remote wireless power supply for a drone provided in an embodiment of the present description;
fig. 3 is a schematic structural diagram of a receiver of a remote wireless power supply for a drone according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a heat dissipation module of a remote wireless power supply apparatus for a drone provided in an embodiment of the present description, where fig. 4a is a side view, fig. 4b is a top view, and fig. 4c is a bottom view;
fig. 5 is an interface schematic diagram of a display module of a remote wireless power supply for a drone according to an embodiment of the present disclosure;
fig. 6 is a schematic flow chart of a power supply method based on the remote wireless power supply device for the drone according to an embodiment of the present disclosure;
the system comprises a laser 1, a laser single tube, a laser 2, a first cylindrical mirror, a laser 3, a second cylindrical mirror, a laser 4, a first optical fiber 5, a second optical fiber 6, a first control module 7, a second control module 8, a wing 9, a three-dimensional adjusting device 10, a super capacitor 11, a heat dissipation module 12, a photovoltaic cell panel 13, a heat pipe 14, a heat dissipation sheet 15 and a temperature difference heating sheet 15.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "including" and "having" and any variations thereof in the embodiments of the present specification and the drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Unmanned aerial vehicle can replace mankind to accomplish some high-risk tasks, solves unmanned aerial vehicle's the problem of charging and can improve unmanned aerial vehicle in the performance of the task that needs long duration, is the key task in the unmanned aerial vehicle development. In the current unmanned aerial vehicle means of charging, personnel's participation degree is high, and the charging process is inefficient. The laser applied to unmanned aerial vehicle charging has the advantages of large energy density, good directivity and the like, but also brings the problems of low photoelectric conversion efficiency, heat generation of a battery panel and difficulty in compatibility of machine types.
The method is suitable for the charging requirements of unmanned aerial vehicles of various types by establishing type information containing relevant charging parameters of the unmanned aerial vehicles and constructing a laser emission system with adjustable power and adjustable light spots; the three-dimensional adjusting device is arranged at the receiver end, and the controller receives charging data in real time to enable the three-dimensional adjusting device to rotate, so that laser is enabled to vertically enter the cell panel, and the photoelectric conversion efficiency is guaranteed; and, set up heat dissipation module at the receiver end, the temperature of effective control panel guarantees the charging performance of panel, realizes charging unmanned aerial vehicle's high efficiency.
The embodiment of the specification discloses a long-distance wireless power supply device for an unmanned aerial vehicle, and the long-distance wireless power supply device is described in detail below.
Fig. 1 is a schematic structural diagram of a remote wireless power supply device for a drone according to an embodiment of the present disclosure. As shown in fig. 1, there is provided a remote wireless power supply 100 for a drone, comprising a laser emitting system 110, a receiver 120 and a management system 130, wherein:
the laser emitting system 110 comprises a power supply, a laser, an emitting antenna and a tracking rotary table, the power supply supplies power to the laser, the optical fiber output end of the laser is connected with the emitting antenna, and the emitting antenna is arranged on the tracking rotary table.
The transmitting antenna is a collimating antenna, the collimating antenna adopts a photonic crystal Cassegrain antenna, light beams emitted by the laser are collimated, and laser is converted into parallel light to be emitted. In order to realize the optimal light spot at the target distance, a focusing telescope is matched and installed, and the adjustment of the light beam can be realized.
Fig. 2 is a schematic structural diagram of a laser of a remote wireless power supply device for a drone provided in an embodiment of the present specification. As shown in fig. 2, the laser adopts a linear array type semiconductor laser, which includes a plurality of laser single tubes 1, a first cylindrical mirror 2, a second cylindrical mirror 3, a first optical fiber 4, a second optical fiber 5, a first control module 6, and a second control module 7, wherein: a plurality of laser single tubes 1 are symmetrically arranged and arranged in a ladder way to form a plurality of laser beams; the first cylindrical mirror 2 is a planoconvex cylindrical mirror, the second cylindrical mirror 3 is a planoconvex cylindrical mirror, the laser beams firstly pass through the first cylindrical mirror 2 and then pass through the second cylindrical mirror 3, and the plurality of laser beams are combined into a first focusing beam and a second focusing beam after passing through the first cylindrical mirror 2 and the second cylindrical mirror 3; outputting a first focused beam through said first optical fiber 4 and a second focused beam through said second optical fiber 5; the output end of the first optical fiber 4 is provided with a first control module 6, the output end of the second optical fiber 5 is provided with a second control module 7, and the first control module 6 and the second control module 7 control the on-off of the output end of the optical fibers and adjust the distance and the emission angle of the two optical fibers by receiving a control instruction of the controller.
The single tubes of the plurality of lasers are arranged in a ladder shape and then combined to form the bar, and the single tubes of the plurality of lasers are arranged in a ladder shape, so that the internal space is more compact, and the miniaturization of the lasers is realized, which is one of the invention points of the embodiment of the specification. The plurality of bars are combined into two focusing beams through the first cylindrical mirror and the second cylindrical mirror, and the laser beams are output by the flexible and bendable optical fibers. The wavelength of the laser can be selected from suitable wavelengths such as 850nm, 808nm, 980nm and the like.
The two optical fiber output ends of the laser are provided with control modules, and the control modules are provided with control motors and angle adjusting devices, so that the on-off of the two optical fiber output ends can be controlled, and the distance and the emission angle of the two optical fibers can be adjusted respectively. Through the ID of discerning the unmanned aerial vehicle that waits to charge, the receiving terminal dimensional data that corresponds the model in the database inquiry, the receiving terminal type (be fixed wing unmanned aerial vehicle or rotor unmanned aerial vehicle, correspond two receiving terminals or a receiving terminal), control module can take the response according to the data of looking for, control laser instrument single beam or two beam emission to adjust the distance and the transmission angle of two optic fibre, make laser concentrate shine on the receiver.
In a specific embodiment, a coarse adjustment motor and a fine adjustment motor are disposed inside the tracking rotary table, wherein: the coarse tuning motor is used for responding to a tracking process that the required angular speed is greater than a preset threshold value; the fine adjustment motor is used for responding to a tracking process that the required angular speed is not greater than a preset threshold value; the desired angular velocity is calculated by the controller of the management system from the received data.
In a specific implementation mode, when the unmanned aerial vehicle drives into a charging area, the controller in the tracking rotary table feeds back position information according to the positioning device on the unmanned aerial vehicle and the communication system of the unmanned aerial vehicleThe returned information determines the control strategy. The tracking rotary table is used for tracking according to the current tracking direction theta1Unmanned aerial vehicle position factor theta obtained according to GPS positioning information2The relative angular displacement Δ θ of the two is calculated as follows:
Δθ＝θ1-θ2，Δθ∈[0°,180°]
delta t is response time of the rotary table, and influence factors of Delta t include response time t of the unmanned aerial vehicle to communication signals1Response time t of tracking rotary table to communication signal2(there is a communication response delay between the turntable and the drone).
Δt＝|t1-t2|
The angular velocity omega is calculated and,
Figure BDA0002716646160000081
judging whether a coarse adjustment motor or a fine adjustment motor is started according to the angular speed omega, and if the angular speed is larger than a preset threshold (for example, 0.5rad/s), enabling the coarse adjustment motor in the rotary table to work; if the angular velocity is not greater than a preset threshold (e.g., 0.5rad/s), the fine tuning motor is enabled to achieve efficient, fast and accurate positioning.
Fig. 3 is a schematic structural diagram of a receiver of a remote wireless power supply device for a drone according to an embodiment of the present disclosure. As shown in fig. 3, the receiver 120 includes a photovoltaic cell panel 12, a heat dissipation module 11, and a three-dimensional adjustment device 9, wherein a photosensitive sensor, a data acquisition module, and a communication module are disposed on the photovoltaic cell panel 12; the photosensitive sensor is used for collecting the size of a light spot; the data acquisition module is used for acquiring voltage, current and charging power of the battery panel; the communication module is used for transmitting the position information and the environmental information of the unmanned aerial vehicle to be charged and the acquired data to a controller of the management system; the photovoltaic cell panel 12 is fixed on a wing 8 of the unmanned aerial vehicle through the three-dimensional adjusting device 9, the heat dissipation module 11 is arranged on the back face of the photovoltaic cell panel 12, and the super capacitor 10 supplies power to a servo motor of the three-dimensional adjusting device.
This receiver passes through communication module and sends the data message that the sensor obtained to the controller in, the controller makes three-dimensional adjusting device rotate until laser beam is perpendicular with the panel, guarantees laser vertical incidence to reach the biggest photoelectric conversion efficiency, improve unmanned aerial vehicle's charge efficiency.
In addition, the heat dissipation module 11 of the receiver 120 is used to dissipate heat of the photovoltaic cell panel at the end of the unmanned aerial vehicle, so as to prevent the photoelectric conversion performance of the cell panel from being reduced due to overhigh temperature, and fig. 4 is an implementation manner of the heat dissipation module.
Fig. 4 is a schematic structural diagram of a heat dissipation module of a remote wireless power supply apparatus for a drone according to an embodiment of the present disclosure, where fig. 4a is a side view, fig. 4b is a top view, and fig. 4c is a bottom view.
In a specific embodiment, the heat dissipation module 11 includes heat pipes 13, heat dissipation fins 14, a temperature control switch, and a thermoelectric generation fin 15, wherein, as shown in fig. 4b, from a top view, a plurality of heat pipes 13 are arranged in columns, and adjacent columns are arranged in a staggered manner; as shown in fig. 4a, the heat pipe is inserted vertically into the parallel multi-layer heat sink 14.
As shown in fig. 4a, one end of the thermoelectric generation piece 15 is attached to the heat sink 14, and the other end of the thermoelectric generation piece 15 is attached to the back of the photovoltaic cell panel 12. Heat-conducting silicone grease is coated between the thermoelectric generation piece 15 and the photovoltaic cell panel 12; the temperature control switch is arranged in a control circuit of the unmanned aerial vehicle to be charged; when the temperature of the photovoltaic cell panel 12 is lower than a preset first temperature threshold value, heat dissipation is performed through the heat pipe 13 and the heat dissipation fins 14; when the temperature of the photovoltaic cell panel 12 is not lower than a preset first temperature threshold value, the heat of the photovoltaic cell panel is used for power generation through the thermoelectric generation piece 15; when the ambient temperature is lower than a preset second temperature threshold value, the temperature control switch is closed, and the generated energy of the temperature difference power generation sheet 15 is used for heat supply of the unmanned aerial vehicle to be charged.
In one implementation, when the temperature is lower than a set threshold, for example 60 ℃, the heat is dissipated using a heat pipe and a heat sink, and when the temperature is higher than 60 ℃, the thermoelectric generation sheet operates, and the heat of the battery is transferred to the thermoelectric generation sheet 15. At the moment, part of the heat of the solar panel is used for generating electricity, and part of the heat is conducted and dissipated through the heat dissipation fins. When the temperature of the laser receiving surface of the battery reaches a set value, the thermoelectric generation piece generates electricity by utilizing the temperature difference between the two sides, so that heat dissipation is realized, and a part of electric energy can be stored. Under low temperature environment, if the temperature is less than another settlement threshold value, for example 0 ℃, then temperature detect switch is closed, and the thermoelectric generation piece utilizes the high temperature electricity generation of laser receiving face panel, utilizes the generated energy that the thermoelectric generation piece produced to supply heat for unmanned aerial vehicle to be favorable to guaranteeing unmanned aerial vehicle normal operating under the low temperature environment.
Wherein, the material of panel chooses for use flexible thin film laser battery such as gallium arsenide battery, indium gallium phosphide battery, copper indium gallium selenide battery, indium gallium arsenide battery, cadmium telluride battery, copper zinc tin sulphur (selenium) battery, perovskite battery, other batteries that can be used to laser energy transfer such as monocrystalline silicon battery, polycrystalline silicon battery in addition, arranges into plate structure, fixes in the unmanned aerial vehicle below through adjusting device. And the super-hydrophobic nano coating is added on the battery plate, so that the battery plate has a plate self-cleaning function, resists the attachment of pollutants, reduces the reflectivity of the battery and improves the energy transfer efficiency.
The management system 130 comprises a database and a controller, wherein information in the database comprises identity ID of the unmanned aerial vehicle, receiving end area, receiving end type, power grade, rated power, and optimal conversion efficiency value of the photovoltaic cell; the controller receives the data transmitted by the receiver in a wireless communication mode, processes the received data and sends control instructions to the laser, the tracking rotary table and the receiver; the management system controls the laser emission system to emit laser by calling the information in the database and receiving the data transmitted by the receiver so as to charge the unmanned aerial vehicle to be charged.
In a specific embodiment, the management system further includes a display module and a fault diagnosis module, wherein: the display module displays parameters in the charging process of the unmanned aerial vehicle through the human-computer interaction interface, and can receive a manually input control instruction through the human-computer interaction interface.
Fig. 5 is an interface schematic diagram of a display module of a remote wireless power supply device for a drone according to an embodiment of the present disclosure. As shown in fig. 5, the display interface includes four parts, namely, a communication parameter, a data storage, a workflow and a control module. The communication parameters display the current output power of the laser, the laser incidence angle, the distance of the unmanned aerial vehicle, the temperature of the battery board and the residual electric quantity of the unmanned aerial vehicle; the data storage display sampling frequency and data storage path and corresponding control buttons; the workflow part visually shows the current communication parameters; the control module displays the working mode of the turntable, can adjust the power and the size of a light spot and controls the start and stop of the laser. The work of the power supply device can be clearly presented through the display module, and the charging parameters can be manually adjusted through the interface.
The fault diagnosis module judges the working state of the power supply device by detecting the charging parameter information of the unmanned aerial vehicle, and stops the charging process if the working state is judged to be abnormal.
In this embodiment, unmanned aerial vehicle's long-range wireless charging device passes through laser emission system, receiver and management system and mutually supports, realizes at unmanned aerial vehicle charging process, and distance self-adaptation, environment self-adaptation, angle self-adaptation greatly improve the biography can efficiency, guarantee that unmanned aerial vehicle's high efficiency charges to realize unmanned aerial vehicle's quick charge.
Fig. 6 is a schematic flow chart of a power supply method based on the remote wireless power supply device for the drone according to an embodiment of the present disclosure. As shown in fig. 6, there is provided a power supply method based on the remote wireless power supply device for the unmanned aerial vehicle, adapted to be executed on a controller of the wireless power supply device, including:
210. and controlling the unmanned aerial vehicle to be charged to drive into a charging area.
220. According to the received position information of the unmanned aerial vehicle to be charged, the direction of the current rotary table tracking and aiming and the response time of the rotary table, the angular velocity required by the tracking and aiming process is obtained, according to the size relation between the required angular velocity and the preset threshold value, the motor corresponding to the corresponding angular velocity in the tracking and aiming rotary table is started, and the receiver of the unmanned aerial vehicle to be charged is locked.
The control strategy of the tracking rotary table can refer to the device part and the realization part of the working modes of the coarse adjustment motor and the fine adjustment motor in the tracking rotary table.
230. Receive the identity ID that waits to charge unmanned aerial vehicle's communication module and send, call management system's database in order to discern the unmanned aerial vehicle that waits to charge to the model information and the power level that the unmanned aerial vehicle that await charging corresponds are inquired, obtain the emission parameter of laser instrument according to the model information of the unmanned aerial vehicle that waits to charge, confirm the laser emission power of laser instrument according to the power level of the unmanned aerial vehicle that waits to charge, start the laser instrument to receiver transmission laser beam charges to the unmanned aerial vehicle that waits to charge, the emission parameter includes distance and transmission angle between laser beam's number, the optic fibre.
Through the ID of discernment unmanned aerial vehicle that waits to charge, the receiving terminal size data, the receiving terminal type that correspond the model are inquired in the database, for example, whether fixed wing or rotor unmanned aerial vehicle correspond two receiving terminals or a receiving terminal, take the response according to the data that acquire, control the laser instrument and adopt single beam transmission or two beam transmission to adjust the distance and the transmission angle of two optic fibre. Meanwhile, the power grade of the corresponding machine type can be obtained by inquiring in the database, and the control module of the laser emits laser with corresponding power according to different power grades, for example, low-power emission is started for an unmanned plane with a small power grade, and high-power emission is started for an unmanned plane with a large power grade.
In one implementation, receiving the identity ID sent by the communication module of the unmanned aerial vehicle to be charged, calling the database of the management system to identify the unmanned aerial vehicle to be charged, querying the model information and the power level corresponding to the unmanned aerial vehicle to be charged, obtaining the emission parameter of the laser according to the model information of the unmanned aerial vehicle to be charged, determining the laser emission power of the laser according to the power level of the unmanned aerial vehicle to be charged, and starting the laser to emit a laser beam by the receiver, the method includes:
231. receiving an identity ID sent by a communication module of the unmanned aerial vehicle to be charged, calling a database of a management system, and inquiring the size, type and power grade of a receiving end corresponding to the unmanned aerial vehicle to be charged; if the unmanned aerial vehicle to be charged is a rotor wing, starting one optical fiber of the laser, and adjusting the emission angle according to the size of the receiving end; if the unmanned aerial vehicle to be charged is a fixed wing, two optical fibers of the laser are started, and the distance and the emission angle of the two optical fibers are adjusted according to the size of the receiving end. 232. And determining the laser emission power of the laser according to the power grade of the unmanned aerial vehicle to be charged. 233. And starting a laser to emit laser beams to the receiver according to the corresponding parameters.
240. And receiving the charging power transmitted by the receiver in real time in the charging process, comparing the collected charging power with the rated power of the corresponding type unmanned aerial vehicle in the database, and adjusting the transmitting power of the laser in real time.
Because in the charging process, unmanned aerial vehicle does not land but flies in appointed charging area, then along with the change of position, the change of distance, unmanned aerial vehicle's charge efficiency will descend to some extent. Based on the power supply device, the charging power can be optimized in the charging process. And obtaining the real-time charging power of the unmanned aerial vehicle according to the measured current, voltage and power information in the photoelectric conversion process, and comparing the measured real-time charging power with the power threshold (rated power) of the unmanned aerial vehicle in the database by using the controller. If the real-time charging power is higher than the threshold value, the control module of the laser is adjusted to reduce the transmitting power to the threshold value, and if the real-time charging power is lower than the threshold value, the control module of the laser is adjusted to increase the transmitting power to the threshold value, so that the receiver is ensured to have proper receiving power in real time.
250. The method comprises the steps of receiving collected data on a receiver in the unmanned aerial vehicle through wireless communication, and adjusting the angle of a three-dimensional adjusting device of the receiver according to the collected data so that a photovoltaic cell panel is perpendicular to a laser beam.
Laser beam's incident angle is showing to the effect influence ratio that unmanned aerial vehicle laser charged, adopts the receiving terminal to set up three-dimensional adjusting device to carry out the mode of adjusting according to real-time data, can solve the uncontrollable problem of laser incident angle change.
In a specific embodiment, the step of receiving the collected data on the receiver in the unmanned aerial vehicle through wireless communication and adjusting the angle of the three-dimensional adjusting device of the receiver according to the collected data so as to enable the photovoltaic cell panel to be perpendicular to the laser beam includes two implementation modes, wherein the two implementation modes are respectively control according to the conversion efficiency and control according to the shape of the light spot.
The first implementation mode comprises the following steps:
obtaining electric power of a receiver according to the voltage value and the current value obtained by the photovoltaic cell panel acquisition module, calculating conversion efficiency according to the electric power of the receiver and the optical power of the transmitting end, and comparing the conversion efficiency with an optimal efficiency range corresponding to the photovoltaic cell of the unmanned aerial vehicle in a database; if the conversion efficiency deviates from the optimal efficiency range in the database, controlling a three-dimensional adjusting device of the receiver to rotate; the controller monitors the change of the conversion efficiency in real time, and controls the three-dimensional adjusting device to stop rotating when the conversion efficiency falls within the optimal efficiency range.
The conversion efficiency calculation formula includes the following form:
Figure BDA0002716646160000141
wherein, V0For the output voltage of the battery, I0For the battery output current (measured by the sensor at the receiving end), PbIs the incident optical power (measurable at the laser end).
The second implementation mode comprises the following steps:
receiving the size of a light spot collected by a photosensitive sensor of a receiver of the unmanned aerial vehicle, and judging whether the light spot is circular or not according to the size of the light spot; and if the shape of the light spot is not circular, controlling the three-dimensional adjusting device to rotate according to the obtained size of the light spot until a perfect circular light spot is obtained, and controlling the three-dimensional adjusting device to stop rotating.
Through the three-dimensional adjusting device at the receiver end, the controller adjusts the incident angle of laser according to the received real-time data, and through rotating the three-dimensional adjusting device, the charging process is guaranteed to be perpendicular to the battery board, so that the unmanned aerial vehicle can be charged quickly and efficiently.
In a specific embodiment, the method further comprises: and S52, receiving a control instruction input by the human-computer interaction interface, and adjusting the laser, the tracking rotary table and the receiver. Through the parameter of human-computer interaction interface demonstration unmanned aerial vehicle charging process to can receive manual control instruction, thereby can realize supervision and control of multiple mode to unmanned aerial vehicle charging process, and improve the emergent ability to the proruption trouble.
In a specific embodiment, the method further comprises: s54, comparing the received data with threshold ranges obtained in advance by the data of the type through acquiring the electric quantity information, the charging power and the temperature of the battery plate in real time; if the received data is not within the threshold range, the charging process is stopped.
According to each parameter of the obtained receiver, the state of the unmanned aerial vehicle is monitored, and the parameter is not in the condition of a normal preset threshold value, so that timely alarming is carried out, and the stability and the reliability of the unmanned aerial vehicle charging process are guaranteed.
260. And when the charging is finished, the laser is turned off, and the tracking rotary table returns.
In this embodiment, based on unmanned aerial vehicle's long-range wireless charging device, provided the power supply method who is applicable to on the controller. Establishing working modes of two motors of the rotary table according to the angular speed; by establishing a database to match with unmanned aerial vehicles of various types, laser emitted by a laser is adjusted to adapt to the size and the number of receivers of corresponding types, so that the application range of the power supply device is expanded; the emission power of the laser is ensured to be in a proper range in the charging process through power grade selection and real-time data; the three-dimensional adjusting device is controlled to enable the laser beam to keep the characteristic of vertical incidence, and high-efficiency photoelectric conversion is achieved. The unmanned aerial vehicle power supply method solves the problems that in the prior art, an unmanned aerial vehicle power supply system is single in structure, lacks a high-efficiency multi-angle laser emission power control strategy, does not have wide universality, is low in working process efficiency of a rotary table, is too high in heat of a photovoltaic cell and low in energy transfer efficiency caused by non-vertical incident angle of a light beam, and has remarkable progress.
To sum up, this specification provides a long distance wireless power supply unit for unmanned aerial vehicle, can be applied to the unmanned aerial vehicle to multiple model and charge, has solved the problem that panel and laser incident angle are difficult to the vertically among the current unmanned aerial vehicle laser charging process to and the heat dissipation problem of panel, establish a whole set of be suitable for extensive, the high efficiency of charging, the perfect unmanned aerial vehicle power supply unit of control strategy and method.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. A remote wireless power supply for a drone, comprising a laser emitting system, a receiver and a management system, wherein:
the laser emission system comprises a power supply, a laser, an emission antenna and a tracking rotary table, the power supply supplies power to the laser, the optical fiber output end of the laser is connected with the emission antenna, and the emission antenna is arranged on the tracking rotary table;
the receiver comprises a photovoltaic cell panel, a heat dissipation module and a three-dimensional adjusting device, wherein
The photovoltaic cell panel is provided with a photosensitive sensor, a data acquisition module and a communication module;
the photosensitive sensor is used for collecting the size of a light spot;
the data acquisition module is used for acquiring voltage, current and charging power of the battery panel;
the communication module is used for transmitting the position information and the environmental information of the unmanned aerial vehicle to be charged and the acquired data to a controller of the management system;
the photovoltaic cell panel is fixed on the unmanned aerial vehicle through the three-dimensional adjusting device, and the heat dissipation module is arranged on the back of the photovoltaic cell panel;
the management system comprises a database and a controller, wherein
The information in the database comprises the identity ID of the unmanned aerial vehicle, the area of a receiving end, the type of the receiving end, the power grade, the rated power and the optimal conversion efficiency value of the photovoltaic cell;
the controller receives the data transmitted by the receiver in a wireless communication mode, processes the received data and sends control instructions to the laser, the tracking rotary table and the receiver;
the management system controls the laser emission system to emit laser by calling the information in the database and receiving the data transmitted by the receiver so as to charge the unmanned aerial vehicle to be charged.
2. The apparatus according to claim 1, wherein the laser is a linear array type semiconductor laser including a plurality of laser monotubes, a first cylindrical mirror, a second cylindrical mirror, a first optical fiber, a second optical fiber, a first control module, and a second control module, wherein:
the laser single tubes are symmetrically arranged and arranged in a ladder way to form a plurality of laser beams;
the first cylindrical mirror is a plane convex cylindrical mirror, the second cylindrical mirror is a plane cylindrical mirror, the laser beams firstly pass through the first cylindrical mirror and then pass through the second cylindrical mirror, and the laser beams are combined into a first focusing beam and a second focusing beam after passing through the first cylindrical mirror and the second cylindrical mirror;
outputting a first focused beam through the first optical fiber and a second focused beam through the second optical fiber;
the first optical fiber output end is provided with a first control module, the second optical fiber output end is provided with a second control module, and the first control module and the second control module control the on-off of the optical fiber output end and adjust the distance and the emission angle of the two optical fibers by receiving a control instruction of the controller.
3. The device of claim 1, wherein the tracking turntable is internally provided with a coarse adjustment motor and a fine adjustment motor, wherein:
the coarse tuning motor is used for responding to a tracking process that the required angular speed is greater than a preset threshold value;
the fine adjustment motor is used for responding to a tracking process that the required angular speed is not greater than a preset threshold value; the desired angular velocity is calculated by the controller of the management system from the received data.
4. The apparatus of claim 1, wherein the heat dissipation module comprises a heat pipe, a heat sink, a temperature controlled switch, and a thermoelectric generator, wherein
The heat pipes are arranged in rows, adjacent rows are arranged in a staggered manner and are vertically inserted into the parallel multi-layer radiating fins;
one end of the thermoelectric generation piece is attached to the radiating piece, the other end of the thermoelectric generation piece is attached to the back face of the photovoltaic cell panel, and heat-conducting silicone grease is coated between the thermoelectric generation piece and the photovoltaic cell panel;
the temperature control switch is arranged in a control circuit of the unmanned aerial vehicle to be charged;
when the temperature of the photovoltaic cell panel is lower than a preset first temperature threshold value, heat dissipation is carried out through the heat pipe and the heat dissipation fins; when the temperature of the photovoltaic cell panel is not lower than a preset first temperature threshold value, the heat of the photovoltaic cell panel is used for power generation through the thermoelectric generation piece;
when the ambient temperature is lower than a preset second temperature threshold value, the temperature control switch is closed, and the generated energy of the temperature difference power generation sheet is used for heat supply of the unmanned aerial vehicle to be charged.
5. The apparatus of claim 1, wherein the management system further comprises a display module and a fault diagnosis module, wherein:
the display module displays parameters in the charging process of the unmanned aerial vehicle through a human-computer interaction interface, and receives a manually input control instruction through the human-computer interaction interface;
the fault diagnosis module judges the working state of the power supply device by detecting the charging parameter information of the unmanned aerial vehicle, and stops the charging process if the working state is judged to be abnormal.
CN202011075737.1A 2020-10-10 2020-10-10 Long-distance wireless power supply device for unmanned aerial vehicle Active CN112202226B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011075737.1A CN112202226B (en) 2020-10-10 2020-10-10 Long-distance wireless power supply device for unmanned aerial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011075737.1A CN112202226B (en) 2020-10-10 2020-10-10 Long-distance wireless power supply device for unmanned aerial vehicle

Publications (2)

Publication Number Publication Date
CN112202226A true CN112202226A (en) 2021-01-08
CN112202226B CN112202226B (en) 2022-06-24

Family

ID=74014218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011075737.1A Active CN112202226B (en) 2020-10-10 2020-10-10 Long-distance wireless power supply device for unmanned aerial vehicle

Country Status (1)

Country Link
CN (1) CN112202226B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114413961A (en) * 2021-12-30 2022-04-29 军事科学院系统工程研究院军事新能源技术研究所 Test evaluation device for dynamic laser wireless energy transmission system
CN114844239A (en) * 2022-07-01 2022-08-02 国网江苏省电力有限公司南京供电分公司 Laser wireless power transmission device and method based on online electricity taking
CN114938082A (en) * 2022-06-16 2022-08-23 重庆理工大学 Wireless laser energy transmission system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104638779A (en) * 2015-03-10 2015-05-20 金陵科技学院 Wireless laser charging equipment for unmanned aerial vehicle and charging system of wireless laser charging equipment
EP3188344A1 (en) * 2015-12-29 2017-07-05 Facebook, Inc. Remotely supplied power for unmanned aerial vehicle
CN107681764A (en) * 2017-10-30 2018-02-09 南京理工大学 Laser charging device with thermo-electric generation compensation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104638779A (en) * 2015-03-10 2015-05-20 金陵科技学院 Wireless laser charging equipment for unmanned aerial vehicle and charging system of wireless laser charging equipment
EP3188344A1 (en) * 2015-12-29 2017-07-05 Facebook, Inc. Remotely supplied power for unmanned aerial vehicle
CN107681764A (en) * 2017-10-30 2018-02-09 南京理工大学 Laser charging device with thermo-electric generation compensation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘晓光等: "激光供能无人机光伏接收器设计原则", 《激光与红外》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114413961A (en) * 2021-12-30 2022-04-29 军事科学院系统工程研究院军事新能源技术研究所 Test evaluation device for dynamic laser wireless energy transmission system
CN114413961B (en) * 2021-12-30 2024-04-26 军事科学院系统工程研究院军事新能源技术研究所 Test evaluation device for dynamic laser wireless energy transmission system
CN114938082A (en) * 2022-06-16 2022-08-23 重庆理工大学 Wireless laser energy transmission system
CN114844239A (en) * 2022-07-01 2022-08-02 国网江苏省电力有限公司南京供电分公司 Laser wireless power transmission device and method based on online electricity taking

Also Published As

Publication number Publication date
CN112202226B (en) 2022-06-24

Similar Documents

Publication Publication Date Title
CN112172552B (en) Remote power supply method for unmanned aerial vehicle
CN112202226B (en) Long-distance wireless power supply device for unmanned aerial vehicle
US11600643B2 (en) Assembly for optical to electrical power conversion transfer
US20160359330A1 (en) Systems and Methods for Dynamic Energy Distribution
US8063300B2 (en) Concentrator solar photovoltaic array with compact tailored imaging power units
CN103078678A (en) Satellite-borne laser wireless energy transmission system
US9459139B2 (en) Photovoltaic generating system with control unit for controlling output power conversion and actuation of photovoltaic tracker units
JP2002289897A (en) Concentrating solar cell module and concentrating photovoltaic power generation system
CN112290697B (en) Laser charging method suitable for long-endurance unmanned aerial vehicle
CN203775217U (en) Aircraft laser energy supply communication system
CN107026605A (en) For the system and method for the power ratio for controlling solar concentrator array
CN111319786A (en) Mooring type unmanned aerial vehicle power supply system and power supply method thereof
JP2017199332A (en) Method for supplying power complementing self-supporting power supply to sensor network
CN107947393B (en) Self-adaptive wave front shaping laser charging system and charging method thereof
KR102320002B1 (en) Laser Power Receiver
CN208738930U (en) A kind of Intelligent laser energy supplying system for long-range free space
JP7328296B2 (en) Mobile and optical wireless power supply system
CN107071822A (en) Method and system for dynamic energy allocation
KR20190089640A (en) A management method for photo-voltaic system including high condensing solar cell module, condensing 3D tree, energy storage system and drone for after service
CN107919741A (en) A kind of aerial charging platform of wireless power transmission
CN213127781U (en) Laser bird repellent device
Miyamoto Optical WPT
WO2023092092A9 (en) Dual contra-focal homogenizer
CN114186649A (en) Intelligent routing inspection positioning method and system
JP2000125176A (en) Remote image pickup device and image pickup transmitter

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant