CN113696751B - Unmanned aerial vehicle charging system and method with identity recognition based on coil - Google Patents
Unmanned aerial vehicle charging system and method with identity recognition based on coil Download PDFInfo
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- CN113696751B CN113696751B CN202110943126.2A CN202110943126A CN113696751B CN 113696751 B CN113696751 B CN 113696751B CN 202110943126 A CN202110943126 A CN 202110943126A CN 113696751 B CN113696751 B CN 113696751B
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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
- 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
- B60L53/12—Inductive energy transfer
-
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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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
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
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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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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T90/12—Electric charging stations
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- 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
- Y02T90/14—Plug-in electric vehicles
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of unmanned aerial vehicle wireless power transmission, and particularly relates to a coil-based unmanned aerial vehicle charging system with identity recognition and a method thereof, wherein the system comprises a plurality of unmanned aerial vehicles and a plurality of unmanned aerial vehicle charging motor cabins; each unmanned aerial vehicle charging cabin has unique first identity identification information; each unmanned aerial vehicle charging cabin is provided with unique second identity identification information; the energy and the signal transmission channel are mutually independent, and the identity identification information of the unmanned aerial vehicle charging cabin and the unmanned aerial vehicle are transmitted through the signal transmission channel; according to the invention, the multi-unmanned aerial vehicle identity recognition function is realized by the communication mode of the separated channel type energy signal simultaneous transmission based on the signal coil, the communication modes such as Zigbee, bluetooth or WiFi are not required to be adopted to transmit the identity recognition information of the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin, the interference of the traditional communication mode is avoided, the interoperability detection and the identity authentication of the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin are effectively realized, and the charging safety and reliability are ensured.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicle wireless power transmission, and particularly relates to a coil-based unmanned aerial vehicle charging system with identity recognition and a method.
Background
The wireless charging technology of the unmanned aerial vehicle gets rid of the constraint of a physical medium in a wired charging mode, so that the unmanned aerial vehicle has the advantages of flexibility, reliability, safety and the like, and therefore, the wireless charging technology is more and more widely applied to the unmanned aerial vehicle field.
However, at present, the wireless charging technology of the unmanned aerial vehicle adopts communication modes such as Zigbee, bluetooth, wiFi and the like, which have long access time, and have no point-to-point transmission condition, and do not have an identity recognition function, and cannot cope with multiple unmanned aerial vehicles and multiple cabin environments. Therefore, there is an urgent need to provide an identity recognition system and method capable of recognizing the identity of unmanned aerial vehicle with short delay and fast access so as to cope with the wireless charging scene requirement of multiple unmanned aerial vehicles.
Disclosure of Invention
In order to solve the problems, the invention provides an unmanned aerial vehicle charging system and method with identity recognition based on a coil, and the specific technical scheme is as follows:
an unmanned aerial vehicle charging system with identity recognition based on a coil comprises a plurality of unmanned aerial vehicles and a plurality of unmanned aerial vehicle charging cabins; each unmanned aerial vehicle charging cabin has unique first identity identification information; each unmanned aerial vehicle charging cabin is provided with unique second identity identification information;
the unmanned aerial vehicle charging cabin comprises a first signal transmission circuit and an energy emission circuit which are mutually independent, wherein the first signal transmission circuit comprises a first signal transmission coil, and the energy emission circuit comprises an energy emission coil;
the unmanned aerial vehicle comprises a second signal transmission circuit and an energy receiving circuit which are mutually independent, wherein the second signal transmission circuit comprises a second signal transmission coil, and the energy receiving circuit comprises an energy receiving coil;
the first signal transmission coil sends a first signal to the second signal transmission coil of the unmanned aerial vehicle entering a charging area, the first signal carries first identity identification information of a charging cabin of the unmanned aerial vehicle, and the first identity identification information is used for the unmanned aerial vehicle to identify the charging cabin of the unmanned aerial vehicle;
after the identity of the first identity identification information passes, the second signal transmission coil sends a second signal to the first signal transmission coil, wherein the second signal carries second identity identification information of the unmanned aerial vehicle, and the second identity identification information is used for the unmanned aerial vehicle charging cabin to identify the unmanned aerial vehicle;
after the identity of the second identity information passes, the energy transmitting coil transmits energy to the energy receiving coil, so that the unmanned aerial vehicle charging cabin is used for wireless charging of the unmanned aerial vehicle.
Preferably, the first signal transmission circuit further comprises a first controller, a first sine wave generator, a first analog switch and a first amplifying circuit; the first sine wave generator, the first analog switch and the first amplifying circuit are sequentially connected; the first amplifying circuit is connected with the first signal transmission coil; the first controller is connected with the first analog switch; the first controller determines a corresponding first switch switching signal according to first identity identification information of the unmanned aerial vehicle charging cabin, controls the first analog switch to modulate a carrier wave generated by the first sine wave generator according to the first switch switching signal to obtain a first modulated signal, amplifies the first modulated signal through the first amplifying circuit to obtain a first signal, loads the first signal to the first signal transmission coil, and transmits the first signal to the second signal transmission coil through the first signal transmission coil.
Preferably, the first signal transmission circuit further comprises a first demodulation module and a first comparator; the first signal transmission coil, the first demodulation module, the first comparator and the first controller are sequentially connected; the first demodulation module is used for demodulating the second signal; the first comparator is used for carrying out signal restoration on the signal demodulated by the first demodulation module to obtain the second identity identification information; the first controller is also used for carrying out identity recognition on the second identity recognition information.
Preferably, the second signal transmission circuit further comprises a second controller, a second sine wave generator, a second analog switch and a second amplifying circuit; the second sine wave generator, the second analog switch and the second amplifying circuit are connected in sequence; the second amplifying circuit is connected with the second signal transmission coil; the second controller is connected with a second analog switch; the second controller determines a corresponding second switch switching signal according to second identity identification information of the unmanned aerial vehicle, controls the second analog switch to modulate a carrier wave generated by the second sine wave generator according to the second switch switching signal to obtain a second modulated signal, amplifies the second modulated signal through the second amplifying circuit to obtain a second signal, loads the second signal to the second signal transmission coil, and transmits the second signal to the first signal transmission coil through the second signal transmission coil.
Preferably, the second signal transmission circuit further comprises a second demodulation module and a second comparator; the second signal transmission coil, the second demodulation module, the second comparator and the second controller are sequentially connected; the second demodulation module is used for demodulating the first signal; the second comparator is used for carrying out signal restoration on the signal demodulated by the second demodulation module to obtain the first identity identification information; the second controller is further configured to identify the first identification information.
Preferably, the system further comprises a cabin background management platform in communication connection with the unmanned aerial vehicle charging cabin, wherein the cabin background management platform comprises an unmanned aerial vehicle charging cabin identity database and an unmanned aerial vehicle data base; the identity database of the unmanned aerial vehicle charging motor cabin stores identity data of all unmanned aerial vehicle charging motor cabins; the unmanned aerial vehicle data base stores identity data of all unmanned aerial vehicles; the cabin background management platform is used for recording the charging condition reported by the unmanned aerial vehicle charging motor cabin, and the charging condition at least comprises first identity identification information of the unmanned aerial vehicle charging motor cabin in a charging state and second identity identification information of the unmanned aerial vehicle.
Preferably, the unmanned aerial vehicle charging cabin comprises a first database for recording all unmanned aerial vehicle identity information, and the first database is used for verifying whether second identity information carried by a second signal sent by the unmanned aerial vehicle belongs to information in the first database, if so, the identity of the second identity information passes, and if not, the identity of the second identity information does not pass.
Preferably, the second identification information carried by the received second signal and euclidean distance of all unmanned aerial vehicle body information recorded in the first database are calculated or subjected to exclusive-or operation, the euclidean distance is not higher than a set threshold value or an exclusive-or operation result is 0, the identification of the second identification information passes, and if the euclidean distance is higher than the set threshold value or the exclusive-or operation result is 1, the identification of the second identification information does not pass.
Preferably, the unmanned aerial vehicle comprises a second database for recording identity information of all unmanned aerial vehicle charging cabins, and the second database is used for verifying whether first identity information carried by a first signal sent by the unmanned aerial vehicle charging cabins belongs to information in the second database, if so, the identity of the first identity information passes, and if not, the identity of the first identity information does not pass.
Preferably, the first identity recognition information carried by the received first signal and all the euclidean distances of the unmanned aerial vehicle identity information recorded in the first database are calculated or subjected to exclusive-or operation, the euclidean distances are not higher than a set threshold value or an exclusive-or operation result is 0, the identity recognition of the first identity recognition information passes, and if the euclidean distances are higher than the set threshold value or the exclusive-or operation result is 1, the identity recognition of the first identity recognition information does not pass.
A charging method of a coil-based unmanned aerial vehicle charging system with identity recognition is applied to the coil-based unmanned aerial vehicle charging system with identity recognition, and comprises the following steps:
s1, when an unmanned aerial vehicle charging cabin detects that the unmanned aerial vehicle enters a charging area, a first signal is sent to a second signal transmission coil of the unmanned aerial vehicle through a first signal transmission coil of the unmanned aerial vehicle charging cabin, and the first signal carries first identity identification information of the unmanned aerial vehicle charging cabin;
s2, after the identity of the unmanned aerial vehicle passes through the identity recognition of the first identity recognition information, a second signal is sent to the first signal transmission coil through the second signal transmission coil, and the second signal carries the second identity recognition information of the unmanned aerial vehicle;
s3, after the identity of the unmanned aerial vehicle charging cabin to the second identity identification information passes, energy is transmitted to the energy receiving coil through the energy transmitting coil, so that the unmanned aerial vehicle charging cabin is used for wirelessly charging the unmanned aerial vehicle.
The beneficial effects of the invention are as follows: according to the unmanned aerial vehicle charging system and method with the identity recognition based on the coil, the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin can generate the identity recognition signals and recognize the identity recognition signals of each other so as to realize point-to-point wireless transmission of electric energy. The energy and the signal transmission channel are mutually independent, and the identity identification information of the unmanned aerial vehicle charging cabin and the unmanned aerial vehicle are transmitted through the signal transmission channel; according to the invention, the multi-unmanned aerial vehicle identity recognition function is realized by a communication mode based on the simultaneous transmission of the signal coil and the separation channel type energy signal, the communication modes such as Zigbee, bluetooth or WiFi are not required to be adopted to transmit the identity recognition information of the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin, the interference of the traditional communication mode is avoided, the interoperability detection and the identity recognition of the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin are effectively realized, the charging safety and reliability are ensured, the transmission of the identity recognition information can be realized only through the signal transmission coils of the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin, the short-delay and quick access communication of the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin is realized, and the requirement of coping with the multi-unmanned aerial vehicle wireless charging scene is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of a coil-based unmanned aerial vehicle charging system with identification;
fig. 2 is a schematic diagram of identity recognition of an unmanned aerial vehicle and a charging cabin of the unmanned aerial vehicle;
fig. 3 is a topology of an energy transfer circuit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
An unmanned aerial vehicle charging system with identity recognition based on a coil comprises a plurality of unmanned aerial vehicles and a plurality of unmanned aerial vehicle charging cabins; each unmanned aerial vehicle charging cabin has unique first identity identification information; each unmanned aerial vehicle charging cabin is provided with unique second identity identification information;
the unmanned aerial vehicle charging cabin comprises a first signal transmission circuit and an energy emission circuit which are mutually independent, wherein the first signal transmission circuit comprises a first signal transmission coil, and the energy emission circuit comprises an energy emission coil;
the unmanned aerial vehicle comprises a second signal transmission circuit and an energy receiving circuit which are mutually independent, wherein the second signal transmission circuit comprises a second signal transmission coil, and the energy receiving circuit comprises an energy receiving coil;
the first signal transmission coil sends a first signal to a second signal transmission coil of the unmanned aerial vehicle entering the charging area, the first signal carries first identity identification information of a charging cabin of the unmanned aerial vehicle, and the first identity identification information is used for the unmanned aerial vehicle to identify the charging cabin of the unmanned aerial vehicle so as to judge whether the charging cabin of the unmanned aerial vehicle meets the requirement or not;
after the identity of the first identity identification information passes, the second signal transmission coil sends a second signal to the first signal transmission coil, the second signal carries second identity identification information of the unmanned aerial vehicle, and the second identity identification information is used for carrying out identity identification on the unmanned aerial vehicle by the unmanned aerial vehicle motor charging cabin so as to judge whether the unmanned aerial vehicle meets the requirements or not;
after the identity of the second identity information passes, the energy transmitting coil transmits energy to the energy receiving coil, so that the unmanned aerial vehicle charging cabin is used for wirelessly charging the unmanned aerial vehicle.
The unmanned aerial vehicle charging cabin comprises a first database for recording all unmanned aerial vehicle body information and is used for verifying whether second identity identification information carried by a second signal sent by the unmanned aerial vehicle belongs to information in the first database, if so, the identity identification of the second identity identification information passes, and if not, the identity identification of the second identity identification information does not pass. And calculating the Euclidean distance between the second identity identification information carried by the received second signal and all unmanned aerial vehicle information recorded in the first database or performing exclusive-OR operation, wherein the Euclidean distance is not higher than a set threshold value or the exclusive-OR operation result is 0, so that the identity identification of the second identity identification information passes, and if the Euclidean distance is higher than the set threshold value or the exclusive-OR operation result is 1, the identity identification of the second identity identification information does not pass.
The unmanned aerial vehicle comprises a second database for recording identity information of all unmanned aerial vehicle charging cabins, and the second database is used for verifying whether first identity identification information carried by first signals sent by the unmanned aerial vehicle charging cabins belongs to information in the second database, if so, the identity identification of the first identity identification information passes, and otherwise, the identity identification of the first identity identification information does not pass. And calculating the Euclidean distance between the first identity identification information carried by the received first signal and all the unmanned aerial vehicle identity information recorded in the first database or performing exclusive OR operation, wherein the Euclidean distance is not higher than a set threshold value or the exclusive OR operation result is 0, so that the identity identification of the first identity identification information passes, and if the Euclidean distance is higher than the set threshold value or the exclusive OR operation result is 1, the identity identification of the first identity identification information does not pass.
The invention further comprises a cabin background management platform which is in communication connection with the unmanned aerial vehicle charging cabin, wherein the cabin background management platform comprises an unmanned aerial vehicle charging cabin identity database and an unmanned aerial vehicle body data database; the identity database of the unmanned aerial vehicle charging motor cabin stores the identity data of all unmanned aerial vehicle charging motor cabins; the unmanned aerial vehicle body data base stores the identity data of all unmanned aerial vehicles; the cabin background management platform is used for recording the charging condition reported by the unmanned aerial vehicle charging cabin, and the charging condition at least comprises first identity identification information of the unmanned aerial vehicle charging cabin in a charging state and second identity identification information of the unmanned aerial vehicle. The charging situation may also include the remaining power of the unmanned aerial vehicle, etc.
Optionally, in this embodiment, after the second identification information of the unmanned aerial vehicle passes through, identity binding and reporting are performed on the unmanned aerial vehicle charging cabin in a charging state and the unmanned aerial vehicle, then the unmanned aerial vehicle charging cabin selects a charging mode, and wireless charging for the unmanned aerial vehicle is started in response to a charging request.
Alternatively, in the present embodiment, the first signal transmission coil and the energy transmission coil are both solenoid-type coils.
The first signal transmission circuit further comprises a first controller, a first sine wave generator, a first analog switch and a first amplifying circuit; the first sine wave generator, the first analog switch and the first amplifying circuit are connected in sequence; the first amplifying circuit is connected with the first signal transmission coil; the first controller is connected with the first analog switch; the first controller determines a corresponding first switch switching signal according to first identity identification information of the unmanned aerial vehicle charging cabin, controls a first analog switch to modulate a carrier wave generated by a first sine wave generator according to the first switch switching signal to obtain a first modulated signal, amplifies the first modulated signal through a first amplifying circuit to obtain a first signal, loads the first signal to a first signal transmission coil, and transmits the first signal to a second signal transmission coil through the first signal transmission coil. In this embodiment, the first identity information of the charging cabins of different unmanned aerial vehicles may be represented in different encoded forms. For example, the first identity information code of the unmanned aerial vehicle charging cabin No. 1 is 01010101, the first identity information code of the unmanned aerial vehicle charging cabin No. 2 is 11101110, the first analog switch is turned off when the code is 0, and the first analog switch is turned on when the code is 1, so that the different first identity information corresponds to different first switch switching signals, and the first modulated signals obtained by modulating the carrier wave by the different first switch switching signals are also different. In this embodiment, realize the transmission to identification information through above-mentioned independent signal transmission circuit, need not to adopt communication mode such as Zigbee, bluetooth or wiFi to transmit unmanned aerial vehicle and unmanned aerial vehicle to fill the identification information of motor cabin, avoided the interference of traditional communication mode and effectively realized unmanned aerial vehicle and the interoperability detection and the authentication of motor cabin.
The first signal transmission circuit further comprises a first demodulation module and a first comparator; the first signal transmission coil, the first demodulation module, the first comparator and the first controller are sequentially connected; the first demodulation module is used for demodulating the second signal; the first comparator is used for carrying out signal restoration on the signal demodulated by the first demodulation module to obtain second identity identification information; the first controller is also used for carrying out identity recognition on the second identity recognition information.
The second signal transmission circuit further comprises a second controller, a second sine wave generator, a second analog switch and a second amplifying circuit; the second sine wave generator, the second analog switch and the second amplifying circuit are connected in sequence; the second amplifying circuit is connected with the second signal transmission coil; the second controller is connected with the second analog switch; the second controller determines a corresponding second switch switching signal according to second identity identification information of the unmanned aerial vehicle, controls a second analog switch to modulate a carrier wave generated by a second sine wave generator according to the second switch switching signal to obtain a second modulated signal, amplifies the second modulated signal through a second amplifying circuit to obtain a second signal, loads the second signal to a second signal transmission coil, and transmits the second signal to the first signal transmission coil through the second signal transmission coil. In this embodiment, the second identification information of different unmanned aerial vehicles may be represented in different encoded forms. For example, the first identification information code of the unmanned plane No. 1 is 11010101, the first identification information code of the unmanned plane No. 2 is 01101110, the second analog switch is turned off when the code is 0, and the second analog switch is turned on when the code is 1, so that the different second identification information corresponds to different second switch switching signals, and the second modulated signals obtained by modulating the carrier wave by the different second switch switching signals are also different. In this embodiment, realize the transmission to identification information through above-mentioned independent signal transmission circuit, need not to adopt communication mode such as Zigbee, bluetooth or wiFi to transmit unmanned aerial vehicle and unmanned aerial vehicle to fill the identification information of motor cabin, avoided the interference of traditional communication mode and effectively realized unmanned aerial vehicle and the interoperability detection and the authentication of motor cabin.
Optionally, in this embodiment, the second signal transmission coil and the energy receiving coil are respectively disposed on two foot supports of the unmanned aerial vehicle.
Alternatively, in the present embodiment, the second signal transmission coil and the energy receiving coil are both solenoid-type coils.
The second signal transmission circuit also comprises a second demodulation module and a second comparator; the second signal transmission coil, the second demodulation module, the second comparator and the second controller are sequentially connected; the second demodulation module is used for demodulating the first signal; the second comparator is used for carrying out signal restoration on the signal demodulated by the second demodulation module to obtain first identity identification information; the second controller is also used for carrying out identity recognition on the first identity recognition information.
Alternatively, in the present embodiment, referring to fig. 3, fig. 3 is an energy transmission circuit topology. The energy transmission circuit mainly comprises a DC power supply E, a full-bridge inverter circuit (i.e. Q 1 、Q 2 、Q 3 、Q 4 ) Energy transmitting coil L P And its equivalent internal resistance R P Compensating capacitor C P Energy receiving coil Ls and equivalent internal resistance Rs thereof, compensation capacitor Cs and equivalent load R L . Switch tube Q 1 And Q is equal to 2 The drain electrode (D electrode) is connected with the positive electrode of the power supply, Q 1 And Q is equal to 2 Source (S pole) and Q 3 、Q 4 Is connected with the drain electrode (D electrode) of the resonant network, and is connected with two ends of the resonant network, Q 3 、Q 4 The source (S-pole) of (a) is grounded. The energy transmitting coil is used for coupling primary side (namely the unmanned aerial vehicle charging cabin side) energy to secondary side (namely the unmanned aerial vehicle side) in a magnetic field coupling mode, so that the unmanned aerial vehicle charging cabin is used for wirelessly charging the unmanned aerial vehicle.
In the scheme of the embodiment, the energy coil and the signal transmission coil are decoupled, the energy transmission channel and the signal transmission channel are mutually independent, the energy transmission channel only realizes the energy transmission function, the signal transmission channel only realizes the signal transmission function, the two channels have no problems of mutual crosstalk, electromagnetic interference and the like, and the synchronous transmission of digital signals is realized on the basis of not influencing the stability of electric energy transmission power and the optimal efficiency. The signal transmission channel of the embodiment has the unmanned aerial vehicle body identification information transmission function, does not need to transmit by adopting communication modes such as Zigbee, bluetooth or WiFi, and the like, can perform interoperability detection and identity authentication aiming at the charging requirements of different unmanned aerial vehicles, and ensures the high-efficiency and safety of charging; under the condition that the unmanned aerial vehicle enters the charging area of the unmanned aerial vehicle charging cabin, the distance between the first signal transmission coil of the unmanned aerial vehicle charging cabin and the second signal transmission coil of the unmanned aerial vehicle is relatively close, point-to-point signal transmission can be realized very accurately, the unmanned aerial vehicle and the unmanned aerial vehicle charging cabin are in short delay and quick access communication modes, the unmanned aerial vehicle can be quickly accessed into the unmanned aerial vehicle charging cabin, the wireless charging function is realized, the unmanned aerial vehicle charging cabin is suitable for environments of multiple unmanned aerial vehicles and multiple unmanned aerial vehicle charging cabins, and the requirements of the wireless charging scenes of the multiple unmanned aerial vehicles are met.
In order to solve the problem that in the prior art, communication modes such as Zigbee, bluetooth, wiFi and the like adopted in the wireless charging technology of the unmanned aerial vehicle have long access time, have no point-to-point transmission condition, do not have an identity recognition function, and cannot cope with environments with multiple unmanned aerial vehicles and multiple cabins, the embodiment provides a communication mode capable of recognizing the identity of the unmanned aerial vehicle and having short delay and quick access so as to cope with the wireless charging scene requirement of the multiple unmanned aerial vehicles, and a technical scheme for realizing the function will be specifically described below.
A charging method of a coil-based unmanned aerial vehicle charging system with identity recognition is applied to the coil-based unmanned aerial vehicle charging system with identity recognition, and comprises the following steps:
s1, when an unmanned aerial vehicle charging cabin detects that the unmanned aerial vehicle enters a charging area, a first signal is sent to a second signal transmission coil of the unmanned aerial vehicle through a first signal transmission coil of the unmanned aerial vehicle charging cabin, and the first signal carries first identity identification information of the unmanned aerial vehicle charging cabin;
s2, after the identity of the unmanned aerial vehicle passes through the identity recognition of the first identity recognition information, a second signal is sent to the first signal transmission coil through the second signal transmission coil, and the second signal carries the second identity recognition information of the unmanned aerial vehicle;
s3, after the identity of the unmanned aerial vehicle charging cabin to the second identity identification information passes, energy is transmitted to the energy receiving coil through the energy transmitting coil, so that the unmanned aerial vehicle charging cabin is used for wirelessly charging the unmanned aerial vehicle.
Optionally, in this embodiment, after the identity of the unmanned aerial vehicle charger to the second identity information passes, and before energy is transmitted to the energy receiving coil through the energy transmitting coil, the wireless charging of the unmanned aerial vehicle charging cabin for the unmanned aerial vehicle is realized, further including: the unmanned aerial vehicle charging cabin reports the charging condition to a cabin background management platform, and the charging condition at least comprises first identity identification information of the unmanned aerial vehicle charging cabin in a charging state and second identity identification information of the unmanned aerial vehicle.
Those of ordinary skill in the art will appreciate that the elements of the examples described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the elements of the examples have been described generally in terms of functionality in the foregoing description to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in this application, it should be understood that the division of units is merely a logic function division, and there may be other manners of division in practical implementation, for example, multiple units may be combined into one unit, one unit may be split into multiple units, or some features may be omitted.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. Unmanned aerial vehicle charging system who has identification based on coil, its characterized in that: the unmanned aerial vehicle comprises a plurality of unmanned aerial vehicles and a plurality of unmanned aerial vehicle charging cabins; each unmanned aerial vehicle charging cabin has unique first identity identification information; each unmanned aerial vehicle has unique second identification information;
the unmanned aerial vehicle charging cabin comprises a first signal transmission circuit and an energy emission circuit which are mutually independent, wherein the first signal transmission circuit comprises a first signal transmission coil, and the energy emission circuit comprises an energy emission coil;
the unmanned aerial vehicle comprises a second signal transmission circuit and an energy receiving circuit which are mutually independent, wherein the second signal transmission circuit comprises a second signal transmission coil, and the energy receiving circuit comprises an energy receiving coil; the second signal transmission coil and the energy receiving coil are respectively arranged on two foot brackets of the unmanned aerial vehicle;
the first signal transmission coil sends a first signal to the second signal transmission coil of the unmanned aerial vehicle entering a charging area, the first signal carries first identity identification information of a charging cabin of the unmanned aerial vehicle, and the first identity identification information is used for the unmanned aerial vehicle to identify the charging cabin of the unmanned aerial vehicle;
after the identity of the first identity identification information passes, the second signal transmission coil sends a second signal to the first signal transmission coil, wherein the second signal carries second identity identification information of the unmanned aerial vehicle, and the second identity identification information is used for the unmanned aerial vehicle charging cabin to identify the unmanned aerial vehicle;
after the identity of the second identity information passes, the energy transmitting coil transmits energy to the energy receiving coil, so that the unmanned aerial vehicle charging cabin can charge the unmanned aerial vehicle wirelessly;
the first signal transmission circuit further comprises a first controller, a first sine wave generator, a first analog switch and a first amplifying circuit;
the first sine wave generator, the first analog switch and the first amplifying circuit are sequentially connected; the first amplifying circuit is connected with the first signal transmission coil; the first controller is connected with the first analog switch;
the first controller determines a corresponding first switch switching signal according to first identity identification information of the unmanned aerial vehicle charging cabin, controls the first analog switch to modulate a carrier wave generated by the first sine wave generator according to the first switch switching signal to obtain a first modulated signal, amplifies the first modulated signal through the first amplifying circuit to obtain a first signal, loads the first signal to the first signal transmission coil, and transmits the first signal to the second signal transmission coil through the first signal transmission coil;
the first signal transmission circuit further comprises a first demodulation module and a first comparator; the first signal transmission coil, the first demodulation module, the first comparator and the first controller are sequentially connected;
the first demodulation module is used for demodulating the second signal;
the first comparator is used for carrying out signal restoration on the signal demodulated by the first demodulation module to obtain the second identity identification information;
the first controller is also used for carrying out identity recognition on the second identity recognition information;
the second signal transmission circuit further comprises a second controller, a second sine wave generator, a second analog switch and a second amplifying circuit;
the second sine wave generator, the second analog switch and the second amplifying circuit are connected in sequence; the second amplifying circuit is connected with the second signal transmission coil; the second controller is connected with a second analog switch;
the second controller determines a corresponding second switch switching signal according to second identity identification information of the unmanned aerial vehicle, controls the second analog switch to modulate a carrier wave generated by the second sine wave generator according to the second switch switching signal to obtain a second modulated signal, amplifies the second modulated signal through the second amplifying circuit to obtain a second signal, loads the second signal to the second signal transmission coil, and transmits the second signal to the first signal transmission coil through the second signal transmission coil;
the second signal transmission circuit further comprises a second demodulation module and a second comparator; the second signal transmission coil, the second demodulation module, the second comparator and the second controller are sequentially connected;
the second demodulation module is used for demodulating the first signal;
the second comparator is used for carrying out signal restoration on the signal demodulated by the second demodulation module to obtain the first identity identification information;
the second controller is further configured to identify the first identification information.
2. A coil-based unmanned aerial vehicle charging system with identification as claimed in claim 1, wherein: the system also comprises a cabin background management platform which is in communication connection with the unmanned aerial vehicle charging cabin,
the cabin background management platform comprises an unmanned aerial vehicle charging cabin identity database and an unmanned aerial vehicle data base; the identity database of the unmanned aerial vehicle charging motor cabin stores identity data of all unmanned aerial vehicle charging motor cabins; the unmanned aerial vehicle data base stores identity data of all unmanned aerial vehicles;
the cabin background management platform is used for recording the charging condition reported by the unmanned aerial vehicle charging motor cabin, and the charging condition at least comprises first identity identification information of the unmanned aerial vehicle charging motor cabin in a charging state and second identity identification information of the unmanned aerial vehicle.
3. A coil-based unmanned aerial vehicle charging system with identification as claimed in claim 1, wherein: the unmanned aerial vehicle charging cabin comprises a first database for recording all unmanned aerial vehicle body information and is used for verifying whether second identity information carried by a second signal sent by the unmanned aerial vehicle belongs to information in the first database, if so, the identity of the second identity information passes, and if not, the identity of the second identity information does not pass.
4. A coil-based unmanned aerial vehicle charging system with identification as claimed in claim 3, wherein: and calculating the Euclidean distance between the second identification information carried by the received second signal and all unmanned aerial vehicle information recorded in the first database or performing exclusive OR operation, wherein the Euclidean distance is not higher than a set threshold value or the exclusive OR operation result is 0, so that the identification of the second identification information passes, and if the Euclidean distance is higher than the set threshold value or the exclusive OR operation result is 1, the identification of the second identification information does not pass.
5. A coil-based unmanned aerial vehicle charging system with identification as claimed in claim 1, wherein: the unmanned aerial vehicle comprises a second database for recording identity information of all unmanned aerial vehicle charging cabins, and the second database is used for verifying whether first identity information carried by first signals sent by the unmanned aerial vehicle charging cabins belongs to information in the second database, if so, the identity of the first identity information passes, and otherwise, the identity of the first identity information does not pass.
6. The coil-based unmanned aerial vehicle charging system with identification of claim 5, wherein: and calculating the Euclidean distance between the first identity identification information carried by the received first signal and all the identity information of the unmanned aerial vehicle charging cabin recorded in the second database or performing exclusive OR operation, wherein the Euclidean distance is not higher than a set threshold value or the exclusive OR operation result is 0, so that the identity identification of the first identity identification information passes, and if the Euclidean distance is higher than the set threshold value or the exclusive OR operation result is 1, the identity identification of the first identity identification information does not pass.
7. A charging method of an unmanned aerial vehicle charging system with identity recognition based on coils is characterized by comprising the following steps of: a coil-based unmanned aerial vehicle charging system with identification as claimed in any one of claims 1 to 6, comprising the steps of:
s1, when an unmanned aerial vehicle charging cabin detects that the unmanned aerial vehicle enters a charging area, a first signal is sent to a second signal transmission coil of the unmanned aerial vehicle through a first signal transmission coil of the unmanned aerial vehicle charging cabin, and the first signal carries first identity identification information of the unmanned aerial vehicle charging cabin;
s2, after the identity of the unmanned aerial vehicle passes through the identity recognition of the first identity recognition information, a second signal is sent to the first signal transmission coil through the second signal transmission coil, and the second signal carries the second identity recognition information of the unmanned aerial vehicle;
s3, after the identity of the unmanned aerial vehicle charging cabin to the second identity identification information passes, energy is transmitted to the energy receiving coil through the energy transmitting coil, so that the unmanned aerial vehicle charging cabin is used for wirelessly charging the unmanned aerial vehicle.
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