CN111369720A - Unmanned aerial vehicle's electron key - Google Patents
Unmanned aerial vehicle's electron key Download PDFInfo
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- CN111369720A CN111369720A CN202010363647.6A CN202010363647A CN111369720A CN 111369720 A CN111369720 A CN 111369720A CN 202010363647 A CN202010363647 A CN 202010363647A CN 111369720 A CN111369720 A CN 111369720A
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- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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Abstract
The invention discloses an electronic key of an unmanned aerial vehicle, wherein the unmanned aerial vehicle comprises a flight controller, and the electronic key is characterized by comprising the following components: the system comprises a central processing unit, a storage medium, a key module, a wireless communication module, a wired communication interface and an uninterrupted clock module, wherein the wireless communication module comprises one or more modules; the wired communication interface comprises one or more; the storage medium is integrated in a central processing unit; the key module is integrated in the central processor or the storage medium; the uninterrupted clock module is integrated in the central processing unit. The electronic key of the unmanned aerial vehicle can be allocated to the pilot of the unmanned aerial vehicle, and the pilot can start the corresponding unmanned aerial vehicle by using the electronic key, so that the flight behavior of the pilot of the unmanned aerial vehicle can be managed conveniently.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicle control and management, in particular to an electronic key of an unmanned aerial vehicle.
Background
At present, unmanned aerial vehicles develop rapidly and are applied to various fields such as aerial photography, mapping, rescue support and the like. Many groups or individuals have all bought unmanned aerial vehicles to carry out relevant operation, along with unmanned aerial vehicle is more and more popularized, the potential safety hazard that brings from this is more and more obvious, if unmanned aerial vehicle flies into the airport and influences the passenger plane and take off and land, unmanned aerial vehicle flies into military flight control district etc. and unmanned aerial vehicle "black flight" event takes place frequently.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to at least some extent or to at least provide a useful commercial choice.
Therefore, an object of the present invention is to provide an electronic key for an unmanned aerial vehicle, which can improve the pilot management efficiency of the unmanned aerial vehicle and evaluate the flight technology thereof.
In order to achieve the above object, the present invention discloses an electronic key for an unmanned aerial vehicle, wherein the unmanned aerial vehicle includes a flight controller, and the electronic key includes: the system comprises a central processing unit, a storage medium, a key module, a wireless communication module, a wired communication interface and an uninterrupted clock module, wherein the wireless communication module comprises one or more modules; the wired communication interface comprises one or more; the storage medium is integrated in a central processing unit; the key module is integrated in the central processor or the storage medium; the uninterrupted clock module is integrated in the central processing unit.
The electronic key of the unmanned aerial vehicle can be allocated to the pilot of the unmanned aerial vehicle, and the pilot can start the corresponding unmanned aerial vehicle by using the electronic key, so that the flight behavior of the pilot of the unmanned aerial vehicle can be managed conveniently.
In addition, the electronic key of the unmanned aerial vehicle according to the invention can also have the following additional technical features:
further, the central processing unit is a core of the electronic key of the unmanned aerial vehicle, and is respectively interconnected with the storage medium, the key module, the wireless communication module, the wired communication interface and the uninterrupted clock module one by one.
Further, data interaction is carried out between the secret key module and the wireless communication module, and the data are forwarded by the central processing unit.
Further, data interaction is carried out between the secret key module and the wired communication interface, and the data are forwarded by the central processing unit.
Further, the central processing unit is respectively connected to the wired communication interface and the key module, and is configured to send an authentication request initiated by the flight controller to the central processing unit through the wired communication interface, and the central processing unit sends information to the key module, queries whether a key corresponding to the authentication request is available, and feeds back the information to control whether the unmanned aerial vehicle is started, where the authentication request includes an identifier of the flight controller.
Further, the wired communication interface is connected to the key module, and is configured to send an authentication request initiated by the flight controller to the key module through the wired communication interface to query whether the request has a key, and feed back information to control whether the unmanned aerial vehicle is started, where the authentication request includes an identifier of the flight controller.
Furthermore, the central processing unit is respectively connected with the wired communication interface, the storage medium and the uninterrupted clock module, and is used for sending the flight data to the central processing unit through the wired communication interface after the unmanned aerial vehicle takes off, and then storing the flight data in the storage medium by the central processing unit, wherein in the recording process of the flight data, the central processing unit can read the time in the uninterrupted clock module, and time tags are marked on the flight data in real time, and the flight data comprises the attitude, the speed, the altitude, the longitude and latitude position and a remote controller control command.
Further, the central processing unit is respectively connected with the wired communication interface and the storage medium and used for sending a flight data reading command of the upper computer to the central processing unit through the wired communication interface when the unmanned aerial vehicle does not fly, and the central processing unit reads flight data in the storage medium and feeds the flight data back to the upper computer.
Further, the central processing unit is connected with the wireless communication module and the storage medium and used for sending a flight data reading command of the upper computer to the central processing unit through the wireless communication module when the airplane does not fly, and the central processing unit reads the flight data in the storage medium and feeds the flight data back to the upper computer.
Further, the central processing unit is respectively connected with the wired communication interface and the uninterrupted clock module, and is configured to calibrate time in the uninterrupted clock module according to absolute time during a flight process, where the absolute time is sent to the central processing unit by the flight controller through the wired communication interface.
Further, the central processing unit is respectively connected with the uninterrupted clock module and the wired communication interface and used for calibrating the time in the uninterrupted clock module according to the absolute time when the unmanned aerial vehicle is not in flight, wherein the absolute time is sent to the central processing unit by the ground station of the aircraft or the special time calibration equipment through the wired communication interface.
Further, the central processing unit is respectively connected with the uninterrupted clock module and the wireless communication module and used for calibrating time in the uninterrupted clock module according to absolute time when the unmanned aerial vehicle is not in flight, wherein the absolute time is sent to the central processing unit by the wireless communication module for the ground station of the aircraft or the special time calibration equipment.
Further, the central processing unit is respectively connected with the key module and the wired communication interface, and is configured to send a key adding or deleting command of the upper computer to the central processing unit through the wired communication interface, and after the central processing unit analyzes the command, add or delete the key of the key module.
Further, the wired communication interface is connected to the key module, and is configured to send a key adding or deleting command of the upper computer to the key module through the wired communication interface, so as to add or delete a key of the key module.
Further, the central processing unit is respectively connected with the wireless communication module and the key module, and is used for sending the key adding or deleting command of the upper computer to the central processing unit through the wireless communication module, and after the central processing unit analyzes the command, adding or deleting operation is carried out on the key of the key module.
Further, the wireless communication module is connected with the key module and used for sending a key adding or deleting command of the upper computer to the key module through the wireless communication module, and the key module is used for adding or deleting the key.
Further, the central processing unit is respectively connected with the wireless communication module and the wired communication interface, and is configured to transmit a temporary key of the management background server to the central processing unit through the wireless communication module, and the central processing unit transmits the temporary key to the flight controller through the wired communication interface, so that the flight controller verifies the temporary key.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a diagram of an electronic key structure of a drone according to one embodiment of the invention;
fig. 2 is an exemplary diagram of an electronic key of an unmanned aerial vehicle according to the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The electronic key of the unmanned aerial vehicle according to the embodiment of the invention is described below with reference to the accompanying drawings.
According to an embodiment of the present invention, an electronic key for a drone, wherein the drone includes a flight controller, including: the system comprises a central processing unit 1001, a storage medium 1002, a key module 1003, a wireless communication module 1004, a wired communication interface 1005 and an uninterrupted clock module 1006.
The wireless communication module 1004 includes one or more modules, the wired communication interface 1005 includes one or more modules, the storage medium 1002 is integrated in the central processing unit 1001, the key module 1003 is integrated in the central processing unit 1001 or the storage medium 1002, and the uninterruptible clock module 1006 is integrated in the central processing unit 1001.
Specifically, one or more of the wireless communication modules 1004 may be configured to support multiple wireless communication modes, such as bluetooth, Zigbee, Wifi, 2G/3G/4G communication of a mobile operator, and the like. In a brief usage scenario, the wireless communication module 1004 may also be absent. One or more wired communication interfaces 1005 may be provided to support various wireless communication methods, such as USB, RS232, RS422, RS485, CAN, ethernet, etc. The storage medium 1002 may be integrated in the cpu 1001, that is, one chip (or module) includes two functions, which is included in the present invention. The key module 1003 may be integrated in the cpu 1001, that is, one chip (or module) includes two functions, which is included in the present invention. The key module 1003 may be integrated in the storage medium 1002, i.e. one chip (or module) contains two functions, which is included in the present invention. The ups 1006 may be integrated into the cpu 1001, i.e., one chip (or module) includes two functions, which is included in the present invention. The ups clock 1006 includes power storage components (e.g., battery, super capacitor, etc.).
According to the electronic key of the unmanned aerial vehicle of the embodiment of the invention,
as shown in fig. 1, in one embodiment, the central processing unit 1001 is a core of the electronic key, and is respectively interconnected with the storage medium 1002, the key module 1003, the wireless communication module 1004, the wired communication interface 1005, and the uninterruptible clock module 1006. The key module 1003 and the wireless communication module 1004 may or may not be directly connected with each other, and data is forwarded by the central processing unit (the connection relationship is indicated by a dotted line in fig. 1). The key module 1003 and the wired communication interface 1005 may be directly connected or not connected, and the data is forwarded by the central processing unit (the connection relationship is indicated by a dotted line in fig. 1). Further, data interaction is performed between the key module 1003 and the wireless communication module 1004, and the data is forwarded by the central processing unit 1001. Further, data interaction is performed between the key module 1003 and the wired communication interface 1005, and the data is forwarded by the central processing unit 1001.
As an example, the central processing unit 1001 is connected to the wired communication interface 1005 and the key module 1003, respectively, and configured to send an authentication request initiated by the flight controller to the central processing unit 1001 through the wired communication interface 1005, where the central processing unit 1001 sends information to the key module 1003, queries whether a key corresponding to the authentication request is available, and feeds back the information to control whether the unmanned aerial vehicle is started, where the authentication request includes an identifier of the flight controller. Specifically, unmanned aerial vehicle has the authority control function of taking off: when the unmanned aerial vehicle flight is started to need, insert the electronic key on the unmanned aerial vehicle. The electronic key is in communication with a flight controller (hereinafter referred to as a flight controller) of the drone through a wired communication interface 1005. The flight controller sends an authentication request to the electronic key, wherein the authentication request comprises the globally unique ID number of the flight controller. The central processing unit 1001 receives an authentication request from the flight controller through the wired communication interface 1005, and then sends information to the key module 1003 to inquire whether the unmanned aerial vehicle key corresponding to the ID number exists. If the key is not available, the central processing unit 1001 informs the flight controller through the wired communication interface 1005 that the key is not available, the flight controller is not started, and the airplane cannot take off. If the secret key exists, the central processing unit 1001 reads the corresponding secret key in the secret key module 1003, and then transmits the secret key to the flight controller through the wired communication interface 1005, and after the flight controller verifies that the secret key is correct, the aircraft is started, and the aircraft can fly.
As an example, the wired communication interface 1005 is connected to the key module 1003, and configured to send an authentication request initiated by the flight controller to the key module 1003 through the wired communication interface 1005, to query whether the unmanned aerial vehicle has a key, and feed back information to control whether the unmanned aerial vehicle is started, where the authentication request includes an identifier of the flight controller. Specifically, the flight controller directly communicates with the key module 1003 through the wired communication interface 1005 to inquire whether the flight controller has the key or not, so as to determine whether to take off or not.
As an example, the central processing unit 1001 is respectively connected to the wired communication interface 1005, the storage medium 1002, and the uninterruptible clock module 1006, and is configured to, after the unmanned aerial vehicle takes off, send flight data to the central processing unit 1001 through the wired communication interface 1005 by the flight controller, and then the central processing unit 1001 stores the flight data in the storage medium 1002, where in the process of recording the flight data, the central processing unit 1001 reads time in the uninterruptible clock module 1006, and stamps a time tag on the flight data in real time, and the flight data includes an attitude, a speed, an altitude, a longitude and latitude position, and a remote controller control command.
As an example, the central processing unit 1001 is respectively connected to the wired communication interface 1005 and the storage medium 1002, and is configured to send a flight data reading command of the upper computer to the central processing unit 1001 through the wired communication interface 1005 when the unmanned aerial vehicle is not flying, and the central processing unit 1001 reads flight data in the storage medium 1002 and feeds the flight data back to the upper computer. Specifically, unmanned aerial vehicle's electronic key has the function of reading of aircraft flight data, wherein reads mode 1: when the airplane does not fly, the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through a wired communication interface 1005, in software of the upper computer, the electronic key is interconnected with the central processing unit 1001 through the wired communication interface 1005 to send a data reading command, and after the central processing unit 1001 reads data in the storage medium 1002, the airplane flying data is sent to the upper computer through the wired communication interface 1005.
As an example, the central processing unit 1001 is connected to the wireless communication module 1004 and the storage medium 1002, and is configured to send a flight data reading command of the upper computer to the central processing unit 1001 through the wireless communication module 1004 when the aircraft is not flying, and the central processing unit 1001 reads flight data in the storage medium 1002 and feeds the flight data back to the upper computer. Specifically, unmanned aerial vehicle's electronic key has the function of reading of aircraft flight data, wherein reads mode 2: when the airplane does not fly, the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through the wireless communication module 1004, in software of the upper computer, the electronic key is interconnected with the central processing unit 1001 through the wireless communication module 1004 to send a data reading command, and after the central processing unit 1001 reads data in the storage medium 1002, the airplane flight data is sent to the upper computer through the wireless communication module 1004.
As an example, the central processing unit 1001 is respectively connected to the wired communication interface 1005 and the uninterruptible clock module 1006, and is configured to calibrate the time in the uninterruptible clock module 1006 according to the absolute time during the flight process, where the absolute time is sent to the central processing unit 1001 by the flight controller through the wired communication interface 1005. Specifically, unmanned aerial vehicle's electronic key has the time calibration function of incessant clock, and wherein, calibration mode 1: during the flight of the aircraft, the flight controller sends the absolute time information to the cpu 1001 through the wired communication interface 1005 (the absolute time information of the aircraft is from the global positioning system, such as GPS, beidou), and the cpu 1001 calibrates the time in the ups 1006
As an example, the central processor 1001 is respectively connected to the uninterruptible clock module 1006 and the wired communication interface 1005, and is configured to calibrate the time in the uninterruptible clock module according to the absolute time when the drone is not in flight, where the absolute time is sent to the central controller 1001 by the ground station of the airplane or the dedicated time calibration device through the wired communication interface 1005. Calibration method 2: when the airplane does not fly, the electronic key is plugged into the airplane ground station or a special time calibration device through the wired communication interface 1005, the airplane ground station or the special time calibration device sends the absolute time information to the central processing unit 1001, and the central processing unit 1001 calibrates the time in the uninterruptible clock 1006.
As an example, the central processor 1001 is connected to the uninterruptible clock module 1006 and the wireless communication module 1004, respectively, and is configured to calibrate the time in the uninterruptible clock module according to the absolute time when the drone is not in flight, wherein the absolute time is sent to the central controller 1001 by the ground station of the airplane or the dedicated time calibration device through the wireless communication module 1004. Examples are: in the calibration mode 3, when the aircraft is not flying, the electronic key is connected to the aircraft ground station or a special time calibration device through the wireless communication module 1004, the aircraft ground station or the special time calibration device sends the absolute time information to the central processing unit 1001, and the central processing unit 1001 calibrates the time in the uninterruptible clock 1006.
As an example, the central processing unit 1001 is respectively connected to the key module 1003 and the wired communication interface 1005, and configured to send a key adding or deleting command of the upper computer to the central processing unit 1001 through the wired communication interface 1005, and after the central processing unit 1001 parses the command, add or delete the key of the key module 1003. Specifically, unmanned aerial vehicle's electronic key has the function of adding and deleting of secret key: in an electronic key, can save many unmanned aerial vehicle's secret key, an electronic key can start many unmanned aerial vehicle promptly. Addition/deletion mode 1: the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through a wired communication interface 1005, in software of the upper computer, a key adding or deleting command is sent to the electronic key, and the central processing unit 1001 analyzes the command and then performs adding or deleting operation on the key module 1003.
As an example, the wired communication interface 1005 is connected to the key module 1003, and is configured to send a key adding or deleting command of the upper computer to the key module 1003 through the wired communication interface 1005, so as to perform an adding or deleting operation on a key of the key module 1003. Addition/deletion mode 2: the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through a wired communication interface 1005, in software of the upper computer, a key adding or deleting command is sent to the electronic key, the wired communication interface 1005 directly sends the command to the key module 1003, and the key module 1003 carries out adding or deleting operation by itself.
As an example, the central processing unit 1001 is respectively connected to the wireless communication module 1004 and the key module 1003, and configured to send a key adding or deleting command of the upper computer to the central processing unit through the wireless communication module, and perform an operation of adding or deleting a key of the key module after the central processing unit parses the command. Addition/deletion mode 3: the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through a wireless communication module 1004, in software of the upper computer, a key adding or deleting command is sent to the electronic key, and after the command is analyzed by a central processing unit 1001, the key adding or deleting operation is carried out on a key module 1003.
As an example, the wireless communication module 1004 is connected to the key module 1003, and is configured to send a key adding or deleting command of the upper computer to the key module 1003 through the wireless communication module 1004, so that the key module 1003 performs an adding or deleting operation on the key. Addition/deletion mode 4: the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through the wireless communication module 1004, in software of the upper computer, a key adding or deleting command is sent to the electronic key, the wireless communication module 1004 directly sends the command to the key module 1003, and the key module 1003 carries out adding or deleting operation by itself.
As an example, the central processing unit 1001 is respectively connected to the wireless communication module 1004 and the wired communication interface 1005, and is configured to transmit the temporary key for managing the backend server to the central processing unit 1001 through the wireless communication module 1004, and the central processing unit 1001 transmits the temporary key to the flight controller through the wired communication interface 1005, so that the flight controller checks the temporary key. Specifically, unmanned aerial vehicle's electronic key has interim key service function: a certain electron key does not have a certain unmanned aerial vehicle's key, need fly a certain unmanned aerial vehicle temporarily, insert unmanned aerial vehicle back with the electron key, the electron key passes through wireless communication module 1004 and manages backend server interconnection, manage backend server and authorize the back, pass through wireless communication module 1004 with interim key and transmit central processing unit 1001, central processing unit 1001 again with interim key through wired communication interface 1005 transmission for flight controller, flight controller check key is correct after, start the aircraft. The temporary key is not stored in the electronic key. The electronic key is interconnected with the management background server through the wireless communication module 1004 in various ways, such as: the wireless communication module 1004 is interconnected with the mobile phone, and is interconnected with the management background server by using the mobile phone as a gateway; the wireless communication module 1004 is connected with a certain wireless router or wireless gateway and is interconnected with the management background server, and the wireless communication module 1004 is accessed to the 2G, 3G and 4G networks of mobile operators and is interconnected with the management background server.
The system comprises a central processing unit, a storage medium, a secret key module, a wireless communication module, a wired communication interface and an uninterrupted clock module. This electronic key inserts unmanned aerial vehicle after, communicates with unmanned aerial vehicle flight controller, through the key module, authorizes flight controller, passes through the back when the key check-up, can start unmanned aerial vehicle. In the key module, can store a plurality of digital keys, a digital key corresponds an unmanned aerial vehicle, and an electronic key can start many unmanned aerial vehicles. The wireless communication module can be interconnected with the intelligent terminal, and digital keys in the key module can be added or deleted wirelessly. During the flight process of the airplane, the flight controller sends flight process data to the electronic key, and the electronic key records the data in the storage medium.
The power supply module is an essential part of the electronic product, and is not mentioned in the description in order to simplify and clarify the description.
The electronic key of the unmanned aerial vehicle can be allocated to the pilot of the unmanned aerial vehicle, and the pilot can start the corresponding unmanned aerial vehicle by using the electronic key, so that the flight behavior of the pilot of the unmanned aerial vehicle can be managed conveniently.
As shown in fig. 2, the cpu 1001 employs an STM32F1 series ARM chip; the storage medium 1002 is an SD card and is interconnected with the cpu 1001 through an SDIO communication interface; the key module 1003 adopts an EEPROM, is used for storing a key, and is interconnected with the central processing unit 1001 through an IIC communication interface; the wireless communication module 1004 is a bluetooth module and is interconnected with the central processing unit 1001 through a UART communication interface; the wired communication interface 1005 is RS 232; the ups 1006 is integrated within the cpu 1001, and a battery is required to supply power to the ups.
And (3) taking-off authority control: when the unmanned aerial vehicle flight is started to need, insert the electronic key on the unmanned aerial vehicle. The electronic key is communicated with the flight controller of the unmanned aerial vehicle in an interconnected mode through the RS232 interface. The flight controller sends an authentication request to the electronic key, wherein the authentication request comprises the globally unique ID number of the flight controller. The STM32F1 series ARM receives the identity authentication request of the flight controller through the RS232, then sends information to the electronic key module, and inquires whether the unmanned aerial vehicle key corresponding to the ID number exists. If the key does not exist, the STM32F1 series ARM informs the flight controller that the key does not exist through the RS232 interface, the flight controller is not started, and the airplane cannot take off. If the secret key exists, the STM32F1 series ARM reads the corresponding secret key in the EEPROM and transmits the secret key to the flight controller through the RS232 interface, and the flight controller starts the airplane after verifying the correctness of the secret key, so that the airplane can fly.
Recording the flight data of the airplane: after the airplane takes off, the flight controller sends the airplane flight data to an STM32F1 series ARM through an RS232 interface, and the STM32F1 series ARM stores the airplane flight data in an SD card. In the process of recording the flight data, the STM32F1 series ARM can read the time in the internal uninterrupted clock and mark a time tag on the flight data in real time so as to conveniently know the flight state of the airplane at a certain time point. The aircraft flight data may include data such as aircraft attitude, speed, altitude, position (latitude and longitude information), remote control commands, etc., as desired. The uninterrupted clock internal to the STM32F1 series ARM is powered by an external battery.
Reading airplane flight data: when the airplane does not fly, the electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through an RS232 interface, in software of the upper computer, the electronic key is interconnected with an STM32F1 series ARM through the RS232 interface to send a data reading command, and after the STM32F1 series ARM reads data in an SD card, the airplane flying data is sent to the upper computer through the RS232 interface.
Time calibration of uninterrupted clock: in the flight process of the airplane, the flight controller sends absolute time information to an STM32F1 series of ARM (the absolute time information of the airplane comes from a global positioning system, such as GPS and Beidou) through an RS232 interface, and the STM32F1 series of ARM calibrates the time of an internal uninterrupted clock.
Addition and deletion of keys: in an electronic key, can save many unmanned aerial vehicle's secret key, an electronic key can start many unmanned aerial vehicle promptly. The electronic key is interconnected with an upper computer (such as a ground station, a computer, a mobile phone and the like) through an RS232 interface, in software of the upper computer, a command for adding or deleting the secret key is sent to the electronic key, and after the command is analyzed by an STM32F1 series ARM, the secret key in the EEPROM is added or deleted.
Temporary key usage pattern: a certain electronic key does not have a certain unmanned aerial vehicle's key, need fly a certain unmanned aerial vehicle temporarily, insert the unmanned aerial vehicle back with the electronic key, the electronic key passes through bluetooth module and cell-phone interconnection (need be equipped with corresponding software in the cell-phone), the cell-phone is as the gateway, with the interconnection of management backend server, management backend server authorizes the back, pass through the cell-phone with bluetooth module with the temporary key and transmit STM32F1 series ARM, STM32F1 series ARM passes through the RS232 interface with the temporary key again and transmits the flight controller, the flight controller check-up key is correct back, start the aircraft.
The implementation case is only one of the implementation methods of the method, and details may be varied without departing from the scope of the method.
The electronic key of the unmanned aerial vehicle can be allocated to the pilot of the unmanned aerial vehicle, and the pilot can start the corresponding unmanned aerial vehicle by using the electronic key, so that the flight behavior of the pilot of the unmanned aerial vehicle can be managed conveniently.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (17)
1. An electronic key of unmanned aerial vehicle, unmanned aerial vehicle includes flight control ware, its characterized in that includes: a central processing unit, a storage medium, a key module, a wireless communication module, a wired communication interface, and an uninterrupted clock module, wherein,
the wireless communication module comprises one or more modules;
the wired communication interface comprises one or more;
the storage medium is integrated in a central processing unit;
the key module is integrated in the central processor or the storage medium;
the uninterrupted clock module is integrated in the central processing unit.
2. The electronic key of unmanned aerial vehicle of claim 1, wherein the central processing unit is a core of the electronic key of unmanned aerial vehicle, and is interconnected with the storage medium, the key module, the wireless communication module, the wired communication interface, and the uninterrupted clock module one by one.
3. The electronic key of unmanned aerial vehicle of claim 2, wherein data interaction is performed between the key module and the wireless communication module, and the data is forwarded by the central processing unit.
4. The electronic key of unmanned aerial vehicle of claim 2, wherein data interaction is performed between the key module and the wired communication interface, and the data is forwarded by the central processing unit.
5. The electronic key of the unmanned aerial vehicle of claim 1, wherein the central processing unit is connected to the wired communication interface and the key module, and configured to send an authentication request initiated by the flight controller to the central processing unit through the wired communication interface, the central processing unit sends information to the key module, queries whether a key corresponding to the authentication request is available, and feeds back information to control whether the unmanned aerial vehicle is started, wherein the authentication request includes an identifier of the flight controller.
6. The electronic key of the unmanned aerial vehicle of claim 1, wherein the wired communication interface is connected to the key module, and configured to send an authentication request initiated by the flight controller to the key module through the wired communication interface to query whether the unmanned aerial vehicle has a key or not, and feed back information to control whether the unmanned aerial vehicle is started or not, wherein the authentication request includes an identifier of the flight controller.
7. The electronic key of the unmanned aerial vehicle as claimed in claim 1, wherein the central processing unit is connected to the wired communication interface, the storage medium and the uninterruptible clock module, respectively, and is configured to send the flight data to the central processing unit through the wired communication interface after the unmanned aerial vehicle takes off, and the central processing unit stores the flight data in the storage medium, wherein during the recording process of the flight data, the central processing unit reads the time in the uninterruptible clock module and applies a time tag to the flight data in real time, and the flight data includes the attitude, the speed, the altitude, the latitude and longitude position and the control command of the remote controller.
8. The electronic key of the unmanned aerial vehicle as claimed in claim 1, wherein the central processing unit is connected to the wired communication interface and the storage medium, respectively, and is configured to send a flight data reading command of the host computer to the central processing unit through the wired communication interface when the unmanned aerial vehicle is not flying, and the central processing unit reads flight data in the storage medium and feeds the flight data back to the host computer.
9. The electronic key of the unmanned aerial vehicle of claim 1, wherein the central processing unit is connected with the wireless communication module and the storage medium, and is configured to send a flight data reading command of the upper computer to the central processing unit through the wireless communication module when the aircraft is not flying, and the central processing unit reads flight data in the storage medium and feeds the flight data back to the upper computer.
10. The electronic key of unmanned aerial vehicle of claim 1, wherein the central processor is connected to the wired communication interface and the uninterruptible clock module, respectively, and is configured to calibrate the time in the uninterruptible clock module according to an absolute time during the flight, wherein the absolute time is sent to the central controller by the flight controller through the wired communication interface.
11. The electronic key of unmanned aerial vehicle of claim 1, wherein the central processor is connected to the uninterruptible clock module and the wired communication interface, respectively, and is configured to calibrate the time in the uninterruptible clock module according to an absolute time when the unmanned aerial vehicle is not in flight, wherein the absolute time is sent to the central controller by the wired communication interface from an aircraft ground station or a dedicated time calibration device.
12. The electronic key of unmanned aerial vehicle of claim 1, wherein the central processor is connected to the uninterruptible clock module and the wireless communication module, respectively, and is configured to calibrate the time in the uninterruptible clock module according to an absolute time when the unmanned aerial vehicle is not in flight, wherein the absolute time is sent to the central controller by the wireless communication module from an aircraft ground station or a dedicated time calibration device.
13. The unmanned aerial vehicle's electronic key of claim 1, wherein central processing unit links to each other with key module and wired communication interface respectively for through wired communication interface with the addition of host computer or delete key command, send to central processing unit, after central processing unit will instruct the analysis, in order to add or delete the operation to the key of key module.
14. The unmanned aerial vehicle's electronic key of claim 1, wherein wired communication interface with the key module links to each other for add or delete key command with the host computer through wired communication interface sends the key module, with add or delete the operation to the key of key module.
15. The unmanned aerial vehicle's electronic key of claim 1, characterized in that central processing unit respectively with wireless communication module and key module link to each other for through wireless communication module adds or deletes the key command of host computer and send to central processing unit, after central processing unit will instruct the analysis, with the key to key module add or delete the operation.
16. The electronic key of unmanned aerial vehicle of claim 1, wherein: the wireless communication module is connected with the secret key module and used for sending a secret key adding or deleting command of the upper computer to the secret key module through the wireless communication module, and the secret key module is used for adding or deleting the secret key.
17. The unmanned aerial vehicle's electronic key of claim 1, wherein the central processing unit is connected with the wireless communication module and the wired communication interface respectively, and is configured to transmit a temporary key for managing a background server to the central processing unit through the wireless communication module, and the central processing unit transmits the temporary key to the flight controller through the wired communication interface, so that the flight controller checks the temporary key.
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| CN202010363647.6A CN111369720A (en) | 2020-04-30 | 2020-04-30 | Unmanned aerial vehicle's electron key |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010363647.6A CN111369720A (en) | 2020-04-30 | 2020-04-30 | Unmanned aerial vehicle's electron key |
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