CN115583360A - Staying unmanned aerial vehicle power supply system - Google Patents
Staying unmanned aerial vehicle power supply system Download PDFInfo
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- CN115583360A CN115583360A CN202211496426.1A CN202211496426A CN115583360A CN 115583360 A CN115583360 A CN 115583360A CN 202211496426 A CN202211496426 A CN 202211496426A CN 115583360 A CN115583360 A CN 115583360A
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- power supply
- unmanned aerial
- aerial vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F3/00—Ground installations specially adapted for captive aircraft
- B64F3/02—Ground installations specially adapted for captive aircraft with means for supplying electricity to aircraft during flight
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- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/028—Micro-sized aircraft
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
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- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a mooring unmanned aerial vehicle power supply system, which comprises: the power supply, the bidirectional direct current conversion device, the connecting cable and the airborne power supply are arranged on the power supply; the power supply is electrically connected with the bidirectional direct current conversion device through a connecting cable and is used for supplying electric energy to the bidirectional direct current conversion device and receiving electric energy returned from the bidirectional direct current conversion device; the bidirectional direct current conversion device is used for reducing the electric energy provided by the power supply to a working voltage interval of a motor of the tethered unmanned aerial vehicle and returning the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply; the airborne power supply is used for receiving and storing additional electric energy provided by the bidirectional direct current conversion device, and the additional electric energy is used as emergency electric energy for mooring the unmanned aerial vehicle. By using the power supply system for the tethered unmanned aerial vehicle, the two-way power supply of the tethered unmanned aerial vehicle can be realized, and the actual use scene of the tethered unmanned aerial vehicle flexibly switching between the power generation state and the electric state is met.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a power supply system for a mooring unmanned aerial vehicle.
Background
Mooring unmanned aerial vehicle is the unmanned aerial vehicle system who combines unmanned aerial vehicle and mooring comprehensive hawser to realize, is the unmanned aerial vehicle who develops rapidly nowadays. Because the captive unmanned aerial vehicle is big load platform of high-power, in its actual flight scene, because of the real-time change of flight condition (for example, because of the frequent change of wind direction lead to the captive unmanned aerial vehicle frequently by the windward flight change into the headwind flight, or by the headwind flight change into the tailwind flight, or, because of the air current reason leads to the flight resistance real-time change of captive unmanned aerial vehicle), the captive unmanned aerial vehicle need frequently switch between power generation state and electric state, consequently, how to make the power supply process of captive unmanned aerial vehicle can with above-mentioned captive unmanned aerial vehicle's actual flight scene looks adaptation, with the electric energy supply in the various flight scenes that satisfy captive unmanned aerial vehicle better, the problem that needs to solve.
Disclosure of Invention
The invention provides a power supply system for a tethered unmanned aerial vehicle, which aims to solve the problem of how to enable the power supply process of the tethered unmanned aerial vehicle to be matched with the actual flight scene of the tethered unmanned aerial vehicle so as to better meet the power supply requirement in various flight scenes of the tethered unmanned aerial vehicle.
In order to solve or to improve the technical problem to some extent, according to an aspect of the present invention, there is provided a tethered drone power supply system, the system comprising:
the power supply comprises a power supply source, a bidirectional direct current conversion device, a connecting cable and an airborne power supply;
the power supply is electrically connected with the bidirectional direct current conversion device through the connecting cable and is used for providing electric energy for the bidirectional direct current conversion device and receiving electric energy returned by the bidirectional direct current conversion device;
the bidirectional direct current conversion device is arranged on the tethered unmanned aerial vehicle and used for reducing the electric energy provided by the power supply to the working voltage interval of the motor of the tethered unmanned aerial vehicle and returning the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply;
the airborne power supply is used for receiving and storing extra electric energy provided by the bidirectional direct current conversion device when the power supply supplies electric energy to the bidirectional direct current conversion device or when the bidirectional direct current conversion device returns the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply, and the extra electric energy is used as emergency electric energy of the tethered unmanned aerial vehicle.
In some embodiments, the bidirectional DC conversion device comprises a bidirectional DC/DC regulated power supply.
In some embodiments, the bidirectional dc converter device includes a bidirectional power supply control system, and is configured to control the bidirectional dc converter device to step down the power provided by the power supply to the operating voltage interval of the motor of the tethered unmanned aerial vehicle when the tethered unmanned aerial vehicle has a power demand, or control the bidirectional dc converter device to return the power generated by the motor of the tethered unmanned aerial vehicle to the power supply when the tethered unmanned aerial vehicle has a power output demand.
In some embodiments, the system further comprises: the power supply switching unit is used for switching the onboard power supply into the available power supply of the mooring unmanned aerial vehicle and/or switching the power supply into the available power supply of the mooring unmanned aerial vehicle when the power supply recovers power supply.
In some embodiments, the system further comprises: and the power supply monitoring device is used for monitoring the power supply state of the power supply.
In some embodiments, the power supply monitoring device is further configured to: and when the situation that the power supply source cannot supply power to the tethered unmanned aerial vehicle is monitored, sending a power supply switching instruction to the power supply switching unit.
In some embodiments, the power supply is disposed in a fixed manner on the ground.
In some embodiments, the power supply is removably disposed on the ground or suspended in the air.
In some embodiments, the system further comprises: and the distance monitoring unit is used for monitoring the distance between the power supply and the mooring unmanned aerial vehicle and transmitting the distance.
In some embodiments, the system further comprises: and the power supply mobile control unit is used for responding to the distance reaching the length of the connecting cable, and controlling the power supply to move in the direction of the mooring unmanned aerial vehicle.
Compared with the prior art, the invention has the following advantages:
the invention provides a power supply system for a tethered unmanned aerial vehicle, which comprises: the power supply, the bidirectional direct current conversion device, the connecting cable and the airborne power supply are arranged on the power supply; the power supply is electrically connected with the bidirectional direct current conversion device through a connecting cable and is used for supplying electric energy to the bidirectional direct current conversion device and receiving electric energy returned from the bidirectional direct current conversion device; the bidirectional direct current conversion device is arranged on the tethered unmanned aerial vehicle and used for reducing the electric energy provided by the power supply to the working voltage interval of the motor of the tethered unmanned aerial vehicle and returning the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply; the airborne power supply is used for receiving and storing extra electric energy provided by the bidirectional direct current conversion device when the power supply supplies electric energy to the bidirectional direct current conversion device or when the bidirectional direct current conversion device returns the electric energy generated by the motor of the mooring unmanned aerial vehicle to the power supply, and the extra electric energy is used as emergency electric energy of the mooring unmanned aerial vehicle. By using the power supply system for the tethered unmanned aerial vehicle provided by the invention, bidirectional power supply of the tethered unmanned aerial vehicle can be realized, namely, when electric energy needs to be supplied to the tethered unmanned aerial vehicle (for example, the tethered unmanned aerial vehicle is in a headwind flight stage, the required kinetic energy is increased, so that the required electric energy is increased), the bidirectional direct current conversion device obtains the electric energy from the power supply through the connecting cable, and reduces the electric energy to a working voltage interval of a motor of the tethered unmanned aerial vehicle, so as to supply power to the motor of the unmanned aerial vehicle; when the unmanned aerial vehicle is in a power generation state (for example, when the tethered unmanned aerial vehicle is changed from headwind flight to tailwind flight, excessive electric energy does not need to be consumed), the bidirectional direct current conversion device returns redundant electric energy generated by a motor of the tethered unmanned aerial vehicle to the power supply through the connecting cable. Through this kind of two-way power supply mode, can satisfy the power consumption demand that the nimble switching between power generation state and electric state of mooring unmanned aerial vehicle for mooring unmanned aerial vehicle's power supply process can satisfy the electric energy supply in mooring unmanned aerial vehicle's various flight scenes with mooring unmanned aerial vehicle's actual flight scene looks adaptation better.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a power supply system for a tethered drone provided by an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to specific embodiments and effects of the user identity authentication method according to the present invention with reference to the accompanying drawings and preferred embodiments.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import by those skilled in the art without departing from the spirit of this application and is therefore not limited to the specific implementations disclosed below.
In the actual flight scene of the captive unmanned aerial vehicle, because of the real-time change of the flight conditions (for example, because the wind direction frequently changes, the captive unmanned aerial vehicle frequently changes from the downwind flight to the headwind flight, or from the headwind flight to the tailwind flight, or because of the real-time change of the flight resistance of the captive unmanned aerial vehicle caused by the air current), the captive unmanned aerial vehicle needs to frequently switch between the power generation state and the electric state, therefore, how to make the power supply process of the captive unmanned aerial vehicle adapt to the actual flight scene of the captive unmanned aerial vehicle, so as to better satisfy the power supply in various flight scenes of the captive unmanned aerial vehicle, which is a problem to be solved.
To above-mentioned mooring unmanned aerial vehicle power supply scene, in order to make mooring unmanned aerial vehicle power supply process can with above-mentioned mooring unmanned aerial vehicle's actual flight scene looks adaptation, with the electric energy supply in the various flight scenes that satisfy mooring unmanned aerial vehicle better, this application provides a mooring unmanned aerial vehicle power supply system. The following provides an embodiment to explain the power supply system of the tethered drone in detail.
An embodiment of the application provides a staying unmanned aerial vehicle power supply system. Fig. 1 is a schematic view of the power supply system for the tethered unmanned aerial vehicle, and the power supply system for the tethered unmanned aerial vehicle provided in this embodiment is described in detail below with reference to fig. 1. The following description refers to embodiments for the purpose of illustrating the principles of the methods, and is not intended to be limiting in actual use.
As shown in fig. 1, the power supply system for the tethered unmanned aerial vehicle provided by this embodiment includes a power supply 1, a bidirectional dc converter 2, a connecting cable 3, and an onboard power supply 4;
the power supply 1 is electrically connected with the bidirectional direct current conversion device 2 through a connecting cable 3 and is used for providing electric energy for the bidirectional direct current conversion device 2 and receiving electric energy returned from the bidirectional direct current conversion device; the power supply 1 can comprise a battery pack, and the battery pack can be connected with a plurality of batteries in parallel (preferably power batteries with the characteristics of more charge and discharge times, stable power supply, low attenuation speed and the like) according to the operation requirement of the tethered unmanned aerial vehicle so as to provide electric energy for long time corresponding to operation; for example, a lithium battery pack (in this embodiment, the lithium battery pack is preferably a lithium iron phosphate battery pack, which HAs advantages of small volume, light weight, high charging/generating times, long service life, and the like) composed of a plurality of batteries in a 100 series and 16 parallel manner, so as to provide electric energy (for example, electric energy of 320V and 80 HA) required by the tethered drone. The connection cable 3 may be a high-current high-voltage tensile cable, one end of which is connected to the power supply 1 and the other end of which is connected to the bidirectional dc converter 2, in this embodiment, the connection cable 3 may include a high-temperature resistant tensile wear-resistant insulating layer and kevlar fibers located at the periphery thereof, so as to provide a strong tensile strength.
Bidirectional direct current conversion device 2 sets up in mooring unmanned aerial vehicle for in the operating voltage interval of the electric energy step-down to mooring unmanned aerial vehicle's motor that power supply 1 provided, and return the produced electric energy of mooring unmanned aerial vehicle's motor for power supply, for example, bidirectional direct current conversion device 2 steps up mooring unmanned aerial vehicle motor and electricity speed reduction, produced regeneration electric energy after the brake to power supply 1 in the charging voltage interval, and return the electric energy after will stepping up to power supply 1 through connecting cable 3 and save.
The airborne power source 4 is used for receiving and storing extra electric energy provided by the bidirectional direct current conversion device 2 when the power supply 1 provides electric energy to the bidirectional direct current conversion device 2 or when the bidirectional direct current conversion device 2 returns the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply 1, and the extra electric energy is used as emergency electric energy for the tethered unmanned aerial vehicle.
Above-mentioned power supply 1, two-way DC conversion device 2 and connecting cable 3 form the main power supply circuit of mooring unmanned aerial vehicle, and airborne power supply 4 constitutes mooring unmanned aerial vehicle's emergent power supply circuit with two-way DC conversion device 2, and above-mentioned main power supply circuit is when being unmanned aerial vehicle power supply, perhaps saving unmanned aerial vehicle's extra electric energy, carries out online float to above-mentioned airborne power supply. In this embodiment, the onboard power supply 4 may be a smart lithium battery.
In the embodiment, the bidirectional DC converter 2 includes a bidirectional DC/DC regulated power supply, for example, the bidirectional DC/DC regulated power supply may be a 50V regulated power supply composed of 1 10KW large power intelligent bidirectional DC/DC60, and its forward output rated current may reach 180A, peak current may reach 300A, reverse output rated current may reach 12A, and peak current may reach 20A.
In this embodiment, the bidirectional dc converter 2 further includes a bidirectional power control system, and the bidirectional power control system is used to control the bidirectional dc converter to step down the electric energy provided by the power supply to the working voltage interval of the motor of the tethered unmanned aerial vehicle when the tethered unmanned aerial vehicle has an electric energy demand, or control the bidirectional dc converter 2 to return the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply 1 when the tethered unmanned aerial vehicle has an electric energy output demand.
In this embodiment, the bidirectional DC converter may further include a high-power bidirectional DC/DC regulated power supply power topology module, and the high-power bidirectional DC/DC regulated power supply power topology module may transmit the operation energy of the tethered drone between the power supply and the motor controller of the tethered drone under the control of the bidirectional power supply control system.
In this embodiment, the power supply system for the tethered unmanned aerial vehicle further comprises: and the power supply switching unit is used for switching the onboard power supply 4 into the available power supply of the tethered unmanned aerial vehicle when the power supply 1 cannot supply power to the tethered unmanned aerial vehicle, and/or switching the power supply 1 into the available power supply of the tethered unmanned aerial vehicle when the power supply recovers power supply.
In this embodiment, mooring unmanned aerial vehicle power supply system still includes: power supply monitoring devices for monitor power supply state to power supply 4, for example, real-time supervision power supply's operating voltage, electric current, states such as temperature to confirm whether power supply 1 satisfies mooring unmanned aerial vehicle's power supply demand, and when monitoring that power supply 1 can't be to mooring unmanned aerial vehicle power supply, send power supply switching instruction to power supply switching unit.
It should be noted that, power supply 1 may be disposed on the ground in a fixed manner, and may also be disposed on the ground in a movable manner or suspended in the air, and correspondingly, the above power supply system for a tethered unmanned aerial vehicle further includes: distance monitoring unit, this distance monitoring unit be used for monitoring power supply 1 with distance between the unmanned aerial vehicle of mooring, and transmit to power supply 1 or mooring unmanned aerial vehicle distance, under this kind of circumstances, mooring unmanned aerial vehicle power supply system still can set up power supply mobile control unit for when monitoring distance between power supply 1 and the unmanned aerial vehicle of mooring and reaching connecting cable 3's length, control power supply 1 removes to mooring unmanned aerial vehicle direction, perhaps control mooring unmanned aerial vehicle withdraws or keeps the suspension to power supply 1's direction.
The power supply system of the tethered unmanned aerial vehicle provided by the embodiment comprises a power supply, a bidirectional direct-current conversion device, a connecting cable and an airborne power supply; the power supply is electrically connected with the bidirectional direct current conversion device through a connecting cable and used for supplying electric energy to the bidirectional direct current conversion device and receiving electric energy returned from the bidirectional direct current conversion device; the bidirectional direct current conversion device is arranged on the tethered unmanned aerial vehicle and used for reducing the electric energy provided by the power supply to the working voltage interval of the motor of the tethered unmanned aerial vehicle and returning the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply; the airborne power supply is used for receiving and storing extra electric energy provided by the bidirectional direct current conversion device when the power supply provides electric energy for the bidirectional direct current conversion device or when the bidirectional direct current conversion device returns the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply, and the extra electric energy is used as emergency electric energy for tethering the unmanned aerial vehicle. By using the power supply system for the tethered unmanned aerial vehicle provided by the invention, the tethered unmanned aerial vehicle can realize bidirectional power supply in a manner of adapting to the flight state of the tethered unmanned aerial vehicle, namely, when electric energy needs to be supplied to the tethered unmanned aerial vehicle (for example, the tethered unmanned aerial vehicle is in a headwind flight stage, the required kinetic energy is increased, so that the required electric energy is increased), the bidirectional direct current conversion device obtains the electric energy from the power supply through the connecting cable, and reduces the electric energy to a working voltage interval of a motor of the tethered unmanned aerial vehicle, so as to supply power to the motor of the unmanned aerial vehicle; when the unmanned aerial vehicle is in a power generation state (for example, when the tethered unmanned aerial vehicle is changed from headwind flight to tailwind flight, excessive electric energy does not need to be consumed), the bidirectional direct current conversion device returns redundant electric energy generated by a motor of the tethered unmanned aerial vehicle to the power supply through the connecting cable. Through this kind of two-way power supply mode, can satisfy the power consumption demand that the nimble switching between power generation state and electric state of mooring unmanned aerial vehicle for mooring unmanned aerial vehicle's power supply process can satisfy the electric energy supply in mooring unmanned aerial vehicle's various flight scenes with mooring unmanned aerial vehicle's actual flight scene looks adaptation better.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
1. Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
2. As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A tethered drone power supply system, the system comprising:
the power supply comprises a power supply source, a bidirectional direct current conversion device, a connecting cable and an airborne power supply;
the power supply is electrically connected with the bidirectional direct current conversion device through the connecting cable and is used for providing electric energy for the bidirectional direct current conversion device and receiving electric energy returned by the bidirectional direct current conversion device;
the bidirectional direct current conversion device is arranged on the tethered unmanned aerial vehicle and used for reducing the electric energy provided by the power supply to the working voltage interval of the motor of the tethered unmanned aerial vehicle and returning the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply;
the airborne power supply is used for receiving and storing extra electric energy provided by the bidirectional direct current conversion device when the power supply supplies electric energy to the bidirectional direct current conversion device or when the bidirectional direct current conversion device returns the electric energy generated by the motor of the tethered unmanned aerial vehicle to the power supply, and the extra electric energy is used as emergency electric energy of the tethered unmanned aerial vehicle.
2. The tethered drone power supply system of claim 1, wherein the bidirectional DC conversion device comprises a bidirectional DC/DC regulated power supply.
3. The tethered drone power supply system of claim 1, wherein the bidirectional dc converter device comprises a bidirectional power control system configured to control the bidirectional dc converter device to step down the power provided by the power supply to within an operating voltage range of the tethered drone motor when the tethered drone has a power demand, or to control the bidirectional dc converter device to return the power generated by the tethered drone motor to the power supply when the tethered drone has a power output demand.
4. The tethered drone power supply system of claim 1, further comprising: the power supply switching unit is used for switching the airborne power supply into the available power supply of the mooring unmanned aerial vehicle and/or switching the power supply into the available power supply of the mooring unmanned aerial vehicle when the power supply recovers power supply.
5. The tethered drone power supply system of claim 4, wherein the system further comprises: and the power supply monitoring device is used for monitoring the power supply state of the power supply.
6. The tethered drone power supply system of claim 5, wherein the power supply monitoring device is further configured to: and when monitoring that the power supply source cannot supply power to the tethered unmanned aerial vehicle, sending a power supply switching instruction to the power supply switching unit.
7. The tethered drone power supply system of claim 1, wherein the power supply is fixedly disposed on the ground.
8. The tethered drone power supply system of claim 1, wherein the power supply is movably disposed on the ground or suspended in the air.
9. The tethered drone power supply system of claim 8, further comprising: the distance monitoring unit is used for monitoring the distance between the power supply and the mooring unmanned aerial vehicle and transmitting the distance.
10. The tethered drone power supply system of claim 9, wherein the system further comprises: and the power supply mobile control unit is used for responding to the distance reaching the length of the connecting cable, and controlling the power supply to move in the direction of the mooring unmanned aerial vehicle.
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| CN207595270U (en) * | 2017-12-13 | 2018-07-10 | 江苏星睿航空科技有限公司 | A kind of long endurance unmanned aircraft |
| CN108667112A (en) * | 2018-04-18 | 2018-10-16 | 浙江华飞智能科技有限公司 | It is a kind of for electric installation, method and to be tethered at unmanned plane |
| CN209382301U (en) * | 2019-01-08 | 2019-09-13 | 郭剑辉 | A kind of power supply system and bimodulus unmanned plane of bimodulus unmanned plane |
| CN210592483U (en) * | 2019-08-29 | 2020-05-22 | 无锡龙翼智能科技有限公司 | Airborne power supply system of high-power mooring unmanned aerial vehicle |
| CN112623252A (en) * | 2020-12-25 | 2021-04-09 | 中国电子科技集团公司第五十四研究所 | Tethered unmanned aerial vehicle system based on vehicle-mounted platform |
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